Opportunistic electronic reminders. Improving performance of preventive care in general practice. Cluster randomised controlled trial of an educational outreach visit to improve influenza and pneumococcal immunisation rates in primary care. A randomised intervention study to examine the effect on immunisation coverage of making influenza vaccine available at no cost. Influenza immunization in a managed care organization. The influence of health professionals on the uptake of the influenza immunization. Effect of preventive home visits by a nurse on the outcomes of frail elderly people in the community: a randomized controlled trial. Boosting uptake of influenza immunisation: a randomised controlled trial of telephone appointing in general practice. Performance-based physician reimbursement and influenza immunization rates in the elderly. The Primary-Care Physicians of Monroe County. Postcard reminders from GPs for influenza vaccine: are they more effective than an ad hoc approach? Improving uptake of influenza vaccination among older people: a randomised controlled trial. Enhancing influenza immunization. Postcard and telephone reminders and the challenge of immunization site shift. A target-based model for increasing influenza immunizations in private practice. Genesee Hospital Medical Staff. Improving compliance with immunization in the older adult: results of a randomized cohort study. The telephone: an overlooked technology for prevention in family medicine. A randomized trial of group outpatient visits for chronically ill older HMO members: the Cooperative Health Care Clinic. The impact of a public health nurse intervention on influenza vaccine acceptance. Increasing influenza and pneumococcal immunization rates: a randomized controlled study of a senior center-based intervention. Evidence to action: a tailored multifaceted approach to changing family physician practice patterns and improving preventive care. Comparison of three methods of recalling patients for influenza vaccination. Impact of postal invitations and user fee on influenza vaccination rates among the elderly. A randomized controlled trial in general practice. Cost and utilization avoidance with mail prompts: a randomized controlled trial. The effects of framing and action instructions on whether older adults obtain flu shots. Improving prevention in primary care: evaluating the effectiveness of outreach facilitation. Impact of physician reminders on the use of influenza vaccinations: a randomized trial. [Immunization program against influenza for adults 65 years or older at a community pharmacy in Puerto Rico]. A randomised, clinical trial comparing the effectiveness of hospital and community-based reminder systems for increasing uptake of influenza and pneumococcal vaccine in hospitalised patients aged 65 years and over. Public health in managed care: a randomized controlled trial of the effectiveness of postcard reminders. Impact of Medicare reimbursement on influenza vaccination rates in the elderly. Improving geriatric preventive care through a patient-held checklist. Improving quality improvement using achievable benchmarks for physician feedback: a randomized controlled trial. The effect of microcomputer-generated reminders on influenza vaccination rates in a university-based family practice center. Improving the health behaviours of elderly people: randomised controlled trial of a general practice education programme. Influenza immunization: the impact of notifying patients of high-risk status. Physician education and report cards: do they make the grade? results from a randomized controlled trial. Computer-generated mailed reminders for influenza immunization: a clinical trial. Increasing influenza vaccination among high-risk elderly: a randomized controlled trial of a mail cue in an HMO setting. Postcard reminders and influenza vaccination. Enhancing physician adoption of practice guidelines. Dissemination of influenza vaccination guideline using a small-group consensus process. Randomized controlled study of customized preventive medicine reminder letters in a community practice.
Preventive care is an important role for general practitioners, yet opportunities for prevention are often missed.
                We provided an automatic electronic record preventive care reminder system for 12 preventive care activities for one 10 doctor practice. All patients who attended were randomised by the terminal digit of their record number.
                The control uptake of opportunistic prevention was low; ranging from 1.5% (tetanus immunisation) to 27% (influenza immunisation). The reminders increased this by significant but small amounts for four out of 12 activities (immunisation for tetanus and pneumococcus and recording of allergies and weight), insignificant increases for four (mumps, measles and rubella immunisation, recording of smoking, and taking of cervical smears and of blood pressure), and insignificantly decreased influenza immunisation, and screening for diabetes and hyperlipidaemia.
                Opportunistic electronic reminders have the potential to increase preventive care in general practice. Improvement in the delivery of influenza and pneumococcal vaccinations to high-risk groups is an important aspect of preventive care for primary healthcare teams.
                To investigate the effect of an educational outreach visit to primary healthcare teams on influenza and pneumococcal vaccination uptake in high-risk patients.
                Cluster randomised controlled trial.
                Thirty general practices in the Trent region, UK.
                Fifteen practices were randomised to intervention and 15 to the control group after stratifying for baseline vaccination rate. All intervention practices were offered and received an educational outreach visit to primary healthcare teams, in addition to audit and feedback directed at improving influenza and pneumococcal vaccination rates in high-risk groups. Control practices received audit and feedback alone. All practices measured influenza and pneumococcal vaccination rates in high-risk groups. Primary outcomes were improvements in vaccination rates in patients aged 65 years and over, and patients with coronary heart disease (CHD), diabetes and a history of splenectomy.
                Improvements in pneumococcal vaccination rates in the intervention practices were significantly greater compared with controls in patients with CHD, 14.8% versus 6.5% (odds ratio [OR] = 1.23, 95% confidence interval [CI] = 1.13 to 1.34) and diabetes, 15.5% versus 6.8% (OR = 1.18, 95% CI = 1.08 to 1.29) but not splenectomy, 6.5% versus 4.7% (OR = 0.96, 95% CI = 0.65 to 1.42). Improvements for influenza vaccination were also usually greater in intervention practices but did not reach statistical significance. The increases for influenza vaccination in intervention versus control practices were for CHD, 18.1% versus 13.1% (OR = 1.06, 95% CI = 0.99 to 1.12); diabetes, 15.5% versus 12.0% (OR = 1.07, 95% CI = 0.99 to 1.16), splenectomy 16.1% versus 2.9% (OR = 1.22, 95% CI = 0.78 to 1.93); and those over 65 years 20.7% versus 25.4% (OR = 0.99, 95% CI = 0.96 to 1.02).
                Practices where primary care teams received an educational outreach visit demonstrated a significantly greater improvement in uptake in high-risk groups for pneumococcal but not influenza vaccine. This study aims to assess the effects of two interventions on influenza vaccination coverage: a simple organisational strategy, and making the vaccine available free.
                Sixteen general practitioners in the Auckland region were randomly selected to participate. Patients over 65 years of these general practitioners were randomly allocated to control, letter of invitation for a flu vaccine, or offer of a free flu vaccine. Administration of a flu vaccine for each person in the study was documented in each general practitioner surgery. Vaccine coverage for each of the three groups was measured.
                Results were available for 15 of the 16 participating general practitioners, a total of 2791 subjects. Immunisation coverage rates for control, letter of invitation and vaccine at no cost, were 17%, 27% and 45% respectively. Statistical analysis, allowing for the cluster method used to obtain subjects, showed risk ratios of 1.55 and 2.65 for the two interventions, with p values of < 0.00001.
                A potential source of bias in this study is underreporting of administration of vaccine to people in group 1. Notwithstanding this potential bias, both interventions were highly effective at increasing the uptake of influenza vaccine in the elderly population. General practitioners should be recommended to routinely invite patients over 65 years to have a flu vaccine. Given the commitment of the Ministry of Health to the vaccination against influenza of people over 65, this study would suggest that serious consideration should be given to making the vaccine available at no cost to this age group. To compare the effects of different types of computer-generated, mailed reminders on the rate of influenza immunization and to analyze the relative cost-effectiveness of the reminders.
                Randomized controlled trial.
                Multispecialty group practice.
                We studied 24,743 high-risk adult patients aligned with a primary care physician.
                Patients were randomized to one of four interventions: (1) no reminder, which served as control; (2) a generic postcard; (3) a personalized postcard from their physician; and (4) a personalized letter from their physician, tailored to their health risk.
                The immunization rate was measured using billing data. A telephone survey was conducted in a subgroup of patients to measure reactions to the mailed reminders. To evaluate the cost-effectiveness, a model was constructed that integrated the observed effect of the interventions with published data on the effect of immunization on future inpatient health care costs.
                All three of the reminders studied increased the influenza vaccination rate when compared with the control group. The vaccination rate was 40.6% in the control group, 43.5% in the generic postcard group, 44.7% in the personalized postcard group, and 45.2% in the tailored letter group. The rates of immunization increased as the intensity of the intervention increased (p < .0001). Seventy-eight percent of patients in the letter group deemed the intervention useful, and 86% reported that they would like to get reminders in the future. The cost-effectiveness analysis estimated that in a nonepidemic year, the net savings per 100 reminders sent would be $659 for the personalized postcard intervention and $735 for the tailored letter intervention. When these net cost-savings rates were each applied to the entire high-risk cohort of 24,743 patients, the estimated total net savings was $162,940 for the postcard and $181,858 for the tailored letter.
                Although the absolute increase in immunization rates with the use of reminders appeared small, the increases translated into substantial cost savings when applied to a large high-risk population. Personalized reminders were somewhat more effective in increasing immunization, and personalized letters tailored to the patients' condition were deemed useful and important by the individuals who received them and had a beneficial indirect effect on patient satisfaction. Influenced by the Department of Health's aim to increase the uptake of the influenza immunization to 70% among those eligible, this study aimed to compare three methods of promoting influenza immunization among over 65 year old patients in a GP practice, and to identify if a particular promotion method was more effective among either of two defined age groups. The sample (n = 90) was randomly allocated into three intervention groups, and then subdivided into two age groups. A different subject experimental design was used to compare the groups. Statistical analysis of the data showed no significant difference in influenza immunization uptake between the three intervention groups, or the age-defined sub-groups. However, although not significant at 5% significance level, participants aged 72 years and over showed a greater uptake among those visited by a health professional. The findings suggest that a larger study using the same interventions would produce significant results. Timely recognition and prevention of health problems among elderly people have been shown to improve their health. In this randomized controlled trial the authors examined the impact of preventive home visits by a nurse compared with usual care on the outcomes of frail elderly people living in the community.
                A screening questionnaire identified eligible participants (those aged 70 years or more at risk of sudden deterioration in health). Those randomly assigned to the visiting nurse group were assessed and followed up in their homes for 14 months. The primary outcome measure was the combined rate of deaths and admissions to an institution, and the secondary outcome measure the rate of health services utilization, during the 14 months; these rates were determined through a medical chart audit by a research nurse who was blind to group allocation.
                The questionnaire was mailed to 415 elderly people, of whom 369 (88.9%) responded. Of these, 198 (53.7%) were eligible, and 142 consented to participate and were randomly assigned to either the visiting nurse group (73) or the usual care group (69). The combined rate of deaths and admissions to an institution was 10.0% in the visiting nurse group and 5.8% in the usual care group (p = 0.52). The rate of health services utilization did not differ significantly between the 2 groups. Influenza and pneumonia vaccination rates were significantly higher in the visiting nurse group (90.1% and 81.9%) than in the usual care group (53.0% and 0%) (p < 0.001).
                The trial failed to show any effect of a visiting nurse other than vastly improved vaccination coverage. Immunisation against influenza is an effective intervention that reduces serologically confirmed cases by between 60% and 70%. Almost all influenza immunisation in the UK is done within general practice. Current evidence on the effectiveness of patient reminders for all types of immunisation programmes is largely based on North American studies.
                To determine whether telephone appointments offered bygeneral practice receptionists increase the uptake of irfluenza immunisation among the registered population aged over 65 years in east London practices.
                Randomised controlled trial.
                Three research general practices within the East London and Essex network of researchers (ELENoR).
                Participants were 1,820 low-risk patients aged 65 to 74 years who had not previously been in a recall system for influenza immunisation at their general practice. The intervention, during October 2000, was a telephone call from the practice receptionist to intervention group households, offering an appointment for influenza immunisation at a nurse-run. clinic Main outcome measures were the numbers of individuals in each group receiving immunisation, and practice costs of a telephone-appointing programme.
                intention to treat analysis showed an immunisation rate in the control group of 44%, compared with 50% in the intervention group (odds ratio = 1.29, 95% confidence interval = 1.03 to 1.63). Of the patients making a telephone appointment, 88% recieved immunisation, while 22% of those not wanting an appointment went on to be immunised. In the controlgroup, income generated was 11.35 pounds per immunisation, for each additional immunisation in the intervention group the income was 5.20 pounds. The 'number needed to telephone' was 17.
                Uptake of influenza immunisation among the low-risk older population in inner-city areas can be boosted by around 6% using a simple intervention by receptionists. Immunisation rates in this low-risk group fell well short of the 60% government target. Improving immunisation rates will require a sustained public health campaign. Retaining the item-of-service payments to practices should support costs of practice-based interventions. To investigate the effect of performance-based financial incentives on the influenza immunization rate in primary care physicians' offices.
                Randomized controlled trial during the 1991 influenza immunization season.
                Rochester, New York, and surrounding Monroe County during the Medicare Influenza Vaccine Demonstration Project.
                A total of 54 solo or group practices that had participated in the 1990 Medicare Demonstration Project.
                All physicians in participating practices agreed to enumerate their ambulatory patients aged 65 or older who had been seen during the 1990 or 1991 calendar years, and to track the immunization rate on a weekly basis using a specially designed poster from September 1991 to January 1, 1992. Additionally, physicians agreed to be randomized, by practice group, to the control group or to the incentive group, which could receive an additional $.80 per shot or $1.60 per shot if an immunization rate of 70% or 85%, respectively, was attained.
                The main outcome measures are the 1991 immunization rate and the improvement in immunization rate from the 1990 to 1991 influenza seasons for each group practice.
                For practices in the incentive group, the mean immunization rate was 68.6% (SD 16.6%) compared with 62.7% (SD 18.0%) in the control group practices (P = .22). The median practice-specific improvement in immunization rate was +10.3% in the incentive group compared with +3.5% in the control group (P = .03).
                Despite high background immunization rates, this modest financial incentive was responsible for approximately 7% increase in immunization rate among the ambulatory elderly. All persons 65 years and older are recommended to be immunised against influenza each autumn. As immunisation rates remain low, we conducted a randomised control trial in a three-partner urban general practice to evaluate the differential effectiveness of a single postcard reminder in a general practice setting compared to usual care. All non-residential patients aged 65 years and over were identified from the age/sex/disease register. After exclusions, 325 patients were stratified by sex (125 men and 200 women) and randomised to receive either a postcard reminder in large print mailed in April or usual care. General practitioners (GPs) were blind to the randomisation. A blinded record audit performed in July demonstrated that the postcard was effective in increasing immunisation for men (chi(2)1df = 3.85; p = 0.05) but not for women (chi(2)1df = 0.45; p = 0.50). After adjusting for 1995 immunisation status, the effect of the postcard on immunisation rates was even stronger in men (Wald chi(2)1df = 6.20; p = 0.01) but remained non-significant in women (Wald chi(2)1df = 1.38; p = 0.24). With this adjustment, the odds of having the 1996 flu vaccine for men sent the postcard reminder were three times that of men in the control group (OR = 3.0; 95% CI 1.3-6.9). In a general practice setting, a single postcard reminder appears to be a promising way to boost influenza immunisation rates among ageing men. Replication of the study is recommended. The uptake of influenza vaccination among older people is suboptimal. Contact with a doctor or nurse is associated with older people deciding to accept influenza vaccination.
                To compare different forms of approach in improving uptake of influenza vaccination among patients aged 75 years and over in primary care.
                Randomised controlled trial.
                One large rural general practice serving the town and surrounding area of Melton Mowbray, Leicestershire.
                All 2,052 patients aged 75 years and over, registered with the practice and not living in nursing/residential homes or sheltered accommodation, were included in the study. One-third of patients were randomised to receive an offer of influenza vaccination as part of an over-75 health check administered by a practice nurse in the patient's home, and two-thirds of patients were randomised to receive a personal letter of invitation to attend an influenza vaccination clinic held at the surgery. The main outcome measure was uptake of influenza vaccination.
                Six hundred and eighty patients were randomised to the health check arm of the trial and 1,372 were randomised to receive a personal letter. Of those randomised to the health check arm, 468 received the health check from the nurse. Overall, the difference in influenza vaccination uptake was 6.4% (95% confidence interval [CI] = 2.2% to 10.4%) with 67.9% (n = 932) of those who were sent a personal letter actually receiving the vaccine, compared with 74.3% (n = 505) of those offered a combined health check and influenza vaccination (P = 0.003).
                Combining home-based over- 75 health checks with influenza vaccination can improve uptake among older patients. However this intervention is likely to be costly and its effect on influenza vaccination rates is modest. The difference in uptake is greater among those who do not routinely comeforwardfor vaccination and a more viable option may be to target these patients. To determine if postcard and telephone reminders increased the rate of influenza immunization of Medicare beneficiaries.
                Before and after trial (postcard reminders) with systematically allocated control group (telephone reminder intervention).
                A semirural family practice residency program.
                All 475 noninstitutionalized persons older than 65 years who had received at least 1 office service in the previous 2 years.
                In September 1996, each of 475 patients received a postcard urging prompt influenza immunization. Those not responding within 1 month were systematically allocated either to a group receiving further telephone contact or to a control group. At the time of telephone contact, any offered information about influenza immunization received outside the Smoky Hill Family Practice Center, Salina, Kan, was recorded.
                We measured the percentage of change in practice-administered influenza immunizations compared with the baseline rate of the preceding 2 years; the difference in immunization rates between the telephone intervention group and controls; and the number of patients contacted by telephone who reported receiving influenza immunization at a site other than the Family Practice Center.
                Twenty-eight percent of patients who received a postcard obtained office influenza immunizations within 1 month, but no additional immunizations could be attributed to the telephone intervention. Thirty-five percent of patients contacted by telephone reported receiving influenza immunization at a site other than the Family Practice Center.
                The postcard intervention was associated with a significant increase in the office immunization rate. This increase may have been confounded by "site shift" in which individuals came to the office for an immunization that they might otherwise have received at other community sites. To measure the impact of a population-based tracking system on influenza immunization rates.
                Thirteen practices with 45 physicians were randomized to a control and two intervention groups.
                Private practices.
                All patients aged 65 years and over who were seen in participating physicians' practices within the preceding two years.
                In both intervention groups influenza immunization rates for physicians were recorded weekly as cumulative percentages of their target populations, using a specially prepared poster. In addition, postcard reminders were sent to all the patients in one of the intervention groups.
                Immunization rates in the two intervention groups were 30% higher than in the control group; the control group immunized 50% (2,405/4,772) of its target population, while the poster and poster/postcard groups immunized 66% (1,420/2,149) and 67% (2,427/3,604), respectively.
                A population-based strategy that monitors performance can significantly improve rates of influenza immunization in private practices. To compare three approaches for improving compliance with influenza and pneumococcal vaccination of elderly patients.
                Randomized controlled trial using three parallel group practices at a public urban teaching hospital.
                Public teaching hospital.
                All patients 65 years of age and older (n = 1202) seen by resident physicians (n = 66) attending three ambulatory medical practices from October 1, 1989 to March 31, 1990.
                All three provider groups received intensive education in immunization standards. The control group received no further intervention. Staff in the second group offered education to patients at their visits. In the third group, the prevention team, a flowsheet was used, patient education offered, and staff had their tasks redefined to facilitate compliance; for vaccinations, eg, nurses could vaccinate independent of MD initiative.
                Medical records were reviewed for the 1202 patients seen, including 756 patients seen during both the 1988-89 and 1989-90 influenza seasons, to determine documented offering and receipt of vaccinations. During the intervention period (1989-90), influenza vaccinations were offered significantly more frequently to prevention team patients (68.3%) than to patients in either the patient education (50.4%) or control (47.6%) groups (P = 0.006), even after adjusting for the patients' prior vaccination status, age, gender, race, and high-risk co-morbidity and for physicians' level of training. Likewise, pneumococcal vaccinations were offered more frequently to previously unvaccinated prevention team patients (28.3%) than to patient education (6.5%) or control (5.4%) group patients (P = 0.001), even after adjusting for the factors using multivariate analysis. Compliance rates did not differ between patient education and control subjects for either vaccine. Pre-intervention physician surveys documented higher perceived than actual compliance for both vaccines, with 89.0% and 52.8% of physicians believing that they complied with influenza and pneumococcal vaccination guidelines, respectively.
                The results of this trial provide strong support for organizational changes that involve non-physician personnel to enhance vaccination rates among older adults. Annual influenza vaccination has long been recommended for the elderly population. Despite this recommendation, immunization rates have remained very low. This study measured the effects of two approaches to the provision of influenza immunization to the 65-years-and-over age group in a single family practice. The "drop-in" group (N=123) was informed of the availability of the vaccine at visits made during the vaccination period. The "phone" group (N=120) was notified of the availability of the vaccine by telephone and was invited to come in for the shot. An immunization rate of 50.8% for the "phone" group and 26.8% for the "drop-in" group was obtained (P=.0002). These results contrast strongly with the overall immunization rates of 5.9% and 9.5% obtained during the previous two years, when no active immunization policy was in place. The telephone approach was found to benefit the type of patient at greatest risk from influenza: the chronically ill and the aged. It is clear that having a defined immunization policy substantially improves the provision of influenza vaccination. The authors discuss the effectiveness and practicality of these approaches to the delivery of influenza vaccine and their applicability to other forms of prevention in family medicine. To compare the impact of group outpatient visits to traditional "physician-patient dyad" care among older chronically ill HMO members on health services utilization and cost, self-reported health status, and patient and physician satisfaction.
                A 1-year randomized trial.
                A group model HMO in the Denver Metropolitan area.
                Three hundred twenty-one members aged 65 and older, randomized to a group visit intervention (n = 160) or to usual care (n = 161).
                Patients with high health services utilization and one or more chronic conditions had monthly group visits with their primary care physician and nurse. Visits included health education, prevention measures, opportunities for socialization, mutual support, and for one-to-one consultations with their physician, where necessary.
                Health services utilization and associated cost, health status, and patient and physician satisfaction.
                Outcome measures obtained after a 1-year follow-up period showed that group participants had fewer emergency room visits (P = .009), visits to subspecialists (P = .028), and repeat hospital admissions per patient (P = .051). Group participants made more visits (P = .021) and calls (P = .038) to nurses than control group patients and fewer calls to physicians (P = .019). In addition, a greater percentage of group participants received influenza and pneumonia vaccinations (P < .001). Group participants had greater overall satisfaction with care (P = .019), and participating physicians reported higher levels of satisfaction with the groups than with individual care. No differences were observed between groups on self-reported health and functional status. Cost of care per member per month was $14.79 less for the group participants.
                Group visits for chronically ill patients reduce repeat hospital admissions and emergency care use, reduce cost of care, deliver certain preventive services more effectively, and increase patient and physician satisfaction. Public health clients in an Ontario community 65 years of age or older were randomly allocated to receive an intervention by a public health nurse during a home visit promoting either influenza immunization or safety measures. There was no statistically significant differences in influenza immunization rates between these two groups (56.1% vs 56.6%). Men were significantly more likely to receive immunization. Immunizations decrease morbidity from influenza and pneumococcal infections. Immunization levels remain below desired levels despite clinic-based and public education efforts. This paper describes a randomized, controlled trial of a senior center-based program, which used peer-to-peer outreach to increase pneumococcal and influenza immunization rates among an urban senior population.
                Seniors were randomized to intervention or control groups. The intervention group received educational brochures mailed with reply cards to report immunization status, telephone calls from senior volunteers to unimmunized participants, and computerized immunization tracking. Immunization rates were obtained before and after the intervention by self-report.
                Among participants without prior pneumococcal immunization, the pneumococcal immunization rate among the intervention group (52.0%; 95% CI = 46.6%-57.4%) was significantly higher than that of the control group (30.9%; 95% CI = 26.6%-35.2%) (rate ratio = 1.68; 95% CI = 1.40-2.03). Among those without influenza immunization in the prior year, significantly more (50.0%; 95% CI = 40.0%-60.0%) were immunized against influenza in the intervention group than in the control group (23.0%; 95% CI = 15.2%-33.3%) (rate ratio = 2.17; 95% CI = 1.42-3.31). Among those with influenza immunization in the prior year, the rate ratio was 1.04 (95% CI = 1.01-1.07).
                The intervention increased both influenza and pneumococcal immunization rates to high levels, suggesting that further progress in increasing adult immunization coverage is possible. Although there is much room for improvement in the performance of recommended preventive manoeuvres, many inappropriate preventive interventions are being done. We evaluated a multifaceted intervention, delivered by nurses trained in prevention facilitation, to improve prevention in primary care.
                Forty-six health service organizations (HSOs) were recruited from 100 sites in Ontario. After baseline data were collected, we randomly assigned the practices to either an 18-month (July 1997 to December 1998) multifaceted intervention delivered by 1 of 3 nurse facilitators (23 practices) or no intervention (23 practices). The unit of intervention and analysis was the medical practice. The outcome measure was an overall index of preventive performance, which was calculated as the proportion of eligible patients who received 8 recommended preventive manoeuvres less the proportion of eligible patients who received 5 inappropriate preventive manoeuvres.
                One HSO, in the intervention group, was lost to follow-up. Before the intervention, the index of preventive performance was similar for the intervention and control groups (31.9% [95% confidence interval (CI) 27.3%-36.5%] and 32.1% [95% CI 27.2%-37.0%] respectively). At follow-up the corresponding values were 43.2% (95% CI 38.4%-48.0%) and 31.9% (95% CI 26.8%-37.0%), for an absolute improvement in the intervention group of 11.5% (p < 0.001). The mean proportion of eligible patients who received the recommended manoeuvres was 62.3% (95% CI 58.2%-66.4%) in the intervention group, as compared with 57.4% (95% CI 54.1%-60.7%) in the control group, for an absolute improvement of 7.2% (p = 0.008). The corresponding values for the inappropriate manoeuvres were 19.1% (95% CI 15.6%-22.6%) and 25.5% (95% CI 20.0%-31.0%), for an absolute improvement of 4.4% (p = 0.019).
                The tailored multifaceted intervention delivered by nurse facilitators was effective in modifying physician practice patterns and significantly improved preventive care performance. Despite recommendations supporting annual influenza vaccination for people aged 65 years or older, vaccination rates remain low. Several studies have evaluated the effect of sending mailed reminders, but few have compared alternative ways of reminding patients to receive the vaccine. In a randomized trial of 939 patients aged 65 years or older in four family practices carried out between Oct. 23 and Dec. 31, 1984, we compared three ways of reminding elderly patients to receive the vaccine: personal reminder by the physician, telephone reminder by the nurse and reminder by letter. The vaccination rates for the three groups were 22.9%, 37% and 35.1% respectively. No reminder was issued to a control group, and the rate was 9.8%. Some patients could not be reached by telephone, and some did not see the physician during the specified time. Among the patients whom the nurse actually contacted, the vaccination rate was 43.5%; the rate for patients whom the doctor actually saw was 45.1%. Overall, a telephone reminder by the nurse was the most effective method, and at an hourly salary of $16 or less this method would also be the most cost-effective. The reminders used in this study were automatically generated from a computerized medical record system. The study shows how a computerized system can be used to identify patients for whom preventive procedures are due. To examine the impact of postal invitations and user fee on influenza vaccination rates.
                A controlled randomized trial in 13 general practices. One third of the participating patients received postal invitations to influenza vaccination free of charge. Another third received postal invitations to influenza vaccination on paying the usual fee (US$ 40-60). The last third served as a control group, being vaccinated at their own request and paying the usual fee.
                General practice in the Counties of Funen and Vejle, Denmark.
                Five hundred and eighty-five patients aged 65 years or older, recognized by their general practitioner (GP) as being in the risk group for whom influenza vaccination is recommended.
                Influenza vaccination rates.
                In the control group 25% (19-31%, 95% confidence interval) of the patients were vaccinated, compared with 49% (42-56%) in the group who received a postal reminder and paid the usual fee, and 72% (65-78%) in the group invited to be vaccinated free of charge.
                It is suggested that GPs send postal invitations to their elderly patients in the risk groups urgently recommending influenza vaccination. Attention should also be given to offering free influenza vaccination to elderly patients who have recognized indications for vaccination. To study the medical service utilization changes and return on investment from a health plan's direct mailings that either encouraged members to receive influenza vaccinations or encouraged members to call a nurse advice service.
                Randomized controlled trial with 2 intervention groups and 1 control group consisting of all members over age 65 years who were enrolled in 5 states in the Blue Cross and Blue Shield Government-wide Service Benefit Plan. Sample size was 134,791 individuals.
                Administrative claims-based influenza, pneumonia, heart failure, and respiratory inpatient bed days, emergency department (ED) visits, physician evaluation and management visits, other outpatient visits, and nurse advice call rates were compared between the intervention and control groups.
                The influenza mailing intervention group experienced 2.87% (P = .033) fewer conditionrelated inpatient bed days and 7.25% (P = .101) fewer condition-related ED visits. The nurse advice service mailing intervention group experienced 7.65% (P <.001) fewer condition-related inpatient bed days and 6.75% (P = .125) fewer condition-related ED visits. Per dollar spent, the return on investment was estimated to be $2.51 for the influenza mailing intervention and $24.24 for the nurse advice mailing intervention.
                Administrative claims data suggest that members respond to health plan mailings. By mailing information to their members, health plans can affect rates of medical service utilization and generate cost savings. The authors tested the effects of cues to action--messages intended to increase flu immunizations. North Dakota counties were randomly assigned to reminder letters, action letters, or no letters. Within the reminder-letter counties, Medicare recipients received either (a) a reminder from the state peer review organization (PRO) to obtain a flu shot or (b) a reminder from the PRO, framed either in terms of the loss associated with failing to get a shot or (c) the benefits associated with getting a shot. Within the action-letter counties, Medicare recipients leaned where and when to receive a flu shot. Reminder type failed to differentially affect the immunization rate (overall M = 24.5%). However, the action messages worked better (28.2%) than no message (19.6%). Out reach facilitation is designed to promote uptake of evidence-based guidelines. There is evidence indicating that outreach facilitation can be effective in improving implementation of preventive care in GPs' offices. In this trial, we test a modified version of an outreach facilitation intervention.
                To evaluate whether a comprehensive preventive intervention program using outreach facilitators improves preventive care delivery.
                Match-paired, cluster-randomized controlled trial.
                Fee-for-service primary care practices in Eastern Ontario, Canada, at a time of physician shortage.
                Volunteer sample of 54 primary care practices.
                Mean difference between trial arms in practices' delivery of preventive manoeuvres, measured by preventive performance indices estimated from chart reviews and patient survey data.
                No difference was detected between the trial's arms for the primary outcome's overall prevention index [2.0%; 95% confidence interval (CI) -3.2 to 7.3; P = 0.44]. A small significant difference between the arms was detected for the secondary outcome's overall prevention index (2.8%; 95% CI 0.7-4.8; P = 0.01).
                In contrast to similar facilitation trials, this outreach facilitation program did not produce improvements in the delivery of preventive care. This lack of effect may be due to differences in the intervention and context, or the practice's limited capacity to change. Our intervention simultaneously facilitated a high number of manoeuvres, blinded facilitators and physicians to the targeted tests and had a relatively short intervention period and large number of practices assigned per facilitator. Changes in the primary care service model in Ontario at the time of the trial could have also washed out the intervention effect. To analyze the impact of mailed physician reminders to immunize their patients.
                Randomized trial involving Washington State physiatrists participating in the Medicare program. In 1997, all physiatrists in the state were separated into solo or group practice. Solo physicians and group practices were then separately randomized to receive 4 monthly reminders to have their patients immunized. In 1998, the intervention and control groups were switched.
                The state of Washington.
                A total of 4300 Medicare outpatients seen in Washington State in 1997 and 4025 patients in 1998.
                Repeated mailer.
                By using multivariate analysis, Medicare billing data was analyzed to determine the impact of the physician reminders on influenza vaccination rates.
                Among solo practitioners, patients whose physiatrist received the reminder letters in 1998 were 34% more likely (adjusted relative risk [RR] = 1.34; 95% confidence interval [CI],.96-1.88) to have a vaccination billing. Among group practitioners, those patients whose physiatrist received the reminder letters in 1997 were 26% more likely (RR = 1.26; 95% CI,.98-1.60) to have a vaccination billing. These differences, however, were not statistically significant. The adjusted RRs for the remaining intervention groups, solo practitioners in 1997 (RR =.89; 95% CI,.63-1.26), and group practitioners in 1998 (RR = 1.00; 95% CI,.73-1.36), revealed no increase in vaccination billings for patients whose physiatrist received the intervention.
                Repeated physician reminders did not increase the vaccination rate of Washington State Medicare patients who were seen by physiatrists in 1997 and 1998. These results were consistent whether the physiatrists were in solo or group practice. Other methods should be considered to improve the primary care delivered to this Medicare population.
                Copyright 2002 by the American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Evaluate the educational needs of adults over 65 years or more with regards to the vaccine, vaccination and immunization against the influenza, design strategies to assist the educational needs and implant and evaluate an immunization program at an independent community pharmacy. A study divided into three phases: Phase I--evaluation of the educational needs related to the vaccine, vaccination and immunization. Phase II--designing of strategies to assist the needs. Phase III--a random longitudinal controlled study to evaluate an immunization program against the influenza implanted at an independent community pharmacy. One hundred (100) patients participated, randomly assigned to a controlled and experimental group. Three months into the study's Phase III, a 68% of the experimental group had been vaccinated and showed a tendency to improvement in knowledge; in the controlled group, a 32% had been vaccinated and did not show a tendency in improvement of knowledge. A year into the study's Phase III, a 76% of the experimental group had been vaccinated and 24% of the controlled group was vaccinated. The satisfaction average of the experimental group towards the pharmacist was 3.94 +/- 0.18 and, in the controlled group was 3.98 +/- 0.20, whiting a scale of 0-04. People who participated in an educational activity offered by a pharmacist showed: more knowledge, remembered what they learned and an increase in influenza vaccination. Hospitalisation represents an opportunity to identify unimmunised people at risk for the complications of influenza and pneumococcal disease. We conducted a randomised controlled trial of two strategies to increase uptake of influenza and pneumococcal vaccines in eligible, hospitalised subjects aged 65 years or more, admitted between May and September 1998 to a Melbourne hospital. Unvaccinated participants were allocated randomly to alert systems for hospital staff or community general practitioners (GPs). Follow-up occurred at 1 and 3 months. The baseline vaccination rates were 70% for influenza (426/606) and 41% (248/606) for pneumococcal disease. For unvaccinated subjects, the hospital alert resulted in 67% uptake compared to 55% following a GP alert for pneumococcal vaccine; and 63% in hospital compared to 53% following a GP alert for influenza vaccine. Although there was a trend toward a higher uptake in hospital, neither of these differences was statistically significant. The majority (75%) of vaccinations following a GP alert occurred within 1 month of discharge. Despite hospital and community-based reminder systems, there are still significant missed opportunities for vaccination. We did not demonstrate significant differences between hospital and GP reminder systems, but there was a trend towards higher uptake with opportunistic vaccination in hospital.
                Copyright 2003 S. Karger AG, Basel This study evaluated the effectiveness of an annual public health intervention in a managed care setting.
                Managed care organization members 65 years and older who received influenza immunization in 1996 were randomized to an intervention group (mailed a postcard reminder to receive an influenza vaccination in 1997) or a control group (no postcard). Vaccination rates for both groups were assessed monthly.
                Members receiving the intervention were no more likely to be immunized (78.6%) than members of the control group (77.2%, P = .222). Members were vaccinated at the same pace regardless of vaccination history and postcard intervention status.
                Postcard reminders were not an effective intervention among seniors who had been vaccinated the previous year. Influenza is responsible for significant morbidity, mortality, and medical costs, but immunization rates in the elderly remain low.
                As part of a demonstration project in rural Pennsylvania, 1,989 community-dwelling Medicare beneficiaries, 65-79 years old, completed a health risk appraisal including questions about flu shots. Participants were randomized to two experimental (hospital or physician) or control groups. Experimental groups were offered free flu shots for the 1990-91 flu season. Follow-up interviews to determine vaccination rates were completed about 1 year later.
                Baseline immunization rates were almost identical for the hospital-based (41.2%), physician-based (41.3%), and control group not offered free immunizations (40.6%). Follow-up rates for the groups offered immunizations rose significantly to 63.6 and 69.1% for hospital and physician groups, respectively, while the control group also increased significantly to 54.1%. Individuals who were more educated, were older, and had greater chronic diseases history (myocardial infarction, hypertension, and pulmonary disease) were more likely to be immunized. Male and married elderly were more likely to be immunized as a result of the demonstration.
                Increasing community education and providing immunizations free through Medicare will increase immunization rates among elderly. The elderly are more likely to receive flu shots provided through physicians' offices than through hospital-based clinics. Providing preventive services to patients is a priority for most family physicians. In this study, a three-item preventive checklist reminded patients 65 years of age and older to obtain an annual blood pressure check, influenza immunization, and cancer checkup. Over a one-year period, patients who received the checklist (n = 59) obtained 46% of indicated cancer detection services, while those who did not (n = 55) obtained 30%. Both groups had similar rates of obtaining blood pressure measurement (over 90%) and influenza immunization (over 45%). Patients themselves may be an underutilized resource for improving preventive care. Performance feedback and benchmarking, common tools for health care improvement, are rarely studied in randomized trials. Achievable Benchmarks of Care (ABCs) are standards of excellence attained by top performers in a peer group and are easily and reproducibly calculated from existing performance data.
                To evaluate the effectiveness of using achievable benchmarks to enhance typical physician performance feedback and improve care.
                Group-randomized controlled trial conducted in December 1996, with follow-up through 1998.
                Seventy community physicians and 2978 fee-for-service Medicare patients with diabetes mellitus who were part of the Ambulatory Care Quality Improvement Project in Alabama.
                Physicians were randomly assigned to receive a multimodal improvement intervention, including chart review and physician-specific feedback (comparison group; n = 35) or an identical intervention plus achievable benchmark feedback (experimental group; n = 35).
                Preintervention (1994-1995) to postintervention (1997-1998) changes in the proportion of patients receiving influenza vaccination; foot examination; and each of 3 blood tests measuring glucose control, cholesterol level, and triglyceride level, compared between the 2 groups.
                The proportion of patients who received influenza vaccine improved from 40% to 58% in the experimental group (P<.001) vs from 40% to 46% in the comparison group (P =.02). Odds ratios (ORs) for patients of achievable benchmark physicians vs comparison physicians who received appropriate care after the intervention, adjusted for preintervention care and nesting of patients within physicians, were 1.57 (95% confidence interval [CI], 1.26-1.96) for influenza vaccination, 1.33 (95% CI, 1.05-1.69) for foot examination, and 1.33 (95% CI, 1.04-1.69) for long-term glucose control measurement. For serum cholesterol and triglycerides, the achievable benchmark effect was statistically significant only after additional adjustment for physician characteristics (OR, 1.40 [95% CI, 1.08-1.82] and OR, 1.40 [95% CI, 1.09-1.79], respectively).
                Use of achievable benchmarks significantly enhances the effectiveness of physician performance feedback in the setting of a multimodal quality improvement intervention. Less than 20 percent of elderly and other high-risk persons targeted for annual influenza vaccination are immunized each year. In most busy practice settings, it is difficult for primary care physicians to identify every patient in need of preventive health interventions. The purpose of this study was to assess the effect of microcomputer-generated reminders on influenza vaccination rates in a university-based family practice center. The practice uses an interactive encounter form system from which updated clinical information is routinely entered into a cumulative database. During a 2-month period, 686 patients were identified in the database as eligible to receive influenza vaccine according to accepted criteria. Practice physicians (n = 32) were stratified by level of training and randomized to one of three groups, thereby receiving printed reminders on the encounter forms of all, none, or half of their eligible patients. Patients of physicians who always received reminders were more likely to receive influenza vaccine during the study period than patients of the never-reminded physicians (51 percent versus 30 percent, P less than 0.001). Patients whose physicians received reminders for only half their patients had an intermediate likelihood of receiving a vaccination if a reminder was printed (38 percent) but were less likely than the patients of never-reminded physicians to receive the vaccine if no reminder was printed (20 percent, P less than 0.001). This study suggests that physicians learn to depend on reminders for preventive health activities and that reminders are most effective when they are provided at every patient encounter. To establish the effect of an educational intervention for general practitioners on the health behaviours and wellbeing of elderly patients.
                Randomised controlled trial with 1 year follow up.
                Metropolitan general practices in Melbourne, Australia.
                42 general practitioners and 267 of their patients aged over 65 years.
                Educational and clinical practice audit programme for general practitioners on health promotion for elderly people.
                Patients' physical activity, functional status, self rated health, immunisation status, social contacts, psychological wellbeing, drug usage, and rate of influenza vaccination. Primary efficacy variables were changes in outcome measures over 1 year period.
                Patients in the intervention group had increased (a) walking by an average of 88 minutes per fortnight, (b) frequency of pleasurable activities, and (c) self rated health compared with the control group. No change was seen in drug usage, rate of influenza vaccination, functional status, or psychological wellbeing as a result of the intervention. Extrapolations of the known effect of these changes in behaviour suggest mortality could be reduced by 22% if activity was sustained for 5 years.
                Education of the general practitioners had a positive effect on health outcomes of their elderly patients. General practitioners may have considerable public health impact in promotion of health for elderly patients. The influenza immunization rate in the high-risk military and retired military population has not been reported. To determine this rate, and to test whether the rate could be improved by notifying patients of their high-risk status, a clinical trial was conducted using a postcard reminder as an intervention.
                All 1068 high-risk patients enrolled in a large, residency-affiliated, military family practice department were identified. Of these, 519 patients were randomly selected to receive a reminder postcard; the remainder (549) were not sent a card. The immunization rates of each group were compared.
                A significantly higher percentage of those to whom postcards were sent received an influenza immunization (25.2% vs 9.1%, P less than .001). This difference was significant in all demographic groups except in those less than 21 years of age and those 21 to 40 years of age, in which very few patients presented for immunization. In those in the study group aged 65 years and over, 46.7% were immunized vs 20% of controls (P less than .001). Those aged 65 years and older and those in the higher income group had higher immunization rates, while those aged 40 years and under had very low immunization rates.
                The influenza immunization rate among military beneficiaries in high-risk groups is low, but can be significantly improved with a reminder postcard. This intervention may be more effective in the older and higher-income segments of the high-risk population. The low immunization rates of the lower-income group and the younger age groups have significant public health implications and should be studied further. We sought to determine whether tailored educational interventions call improve the quality of care, as measured by the provision of preventive care services recommended by the US Preventive Services Task Force, as well as lead to better patient satisfaction.
                We performed a randomized controlled study among 41 primary care physicians who cared for 1,810 randomly selected patients aged 65 to 75 years old at Kaiser Permanente Woodland Hills, a group-model health maintenance organization in southern California. All physicians received ongoing education. Physicians randomly assigned to the comprehensive intervention group also received peer-comparison feedback and academic detailing. Baseline and postintervention (2 to 2.5 years later) surveys examining the provision of preventive care and patient satisfaction were performed and medical records were reviewed.
                Based on the results of patient surveys, there were significant improvements over time in the provision of preventive care in both the education and the comprehensive intervention groups for influenza immunization (79% versus 89%, P <0.01, and 80% versus 91%, P <0.01), pneumococcal immunization (42% versus 73%, P < 0.01 and 34% versus 73%, P < 0.01), and tetanus immunization (64% versus 72%, P <0.01, and 59% versus 79%, P <0.01). Mammography (90% versus 80%, P <0.01) and clinical breast examination (85% versus 79%, P <0.05) scores worsened in the education only group but not in the comprehensive intervention group. However, there were few differences in rates of preventive services between the groups at the end of the study, and the improvements in preventive care were not confirmed by medical record review. Patient satisfaction scores improved significantly in the comprehensive intervention group (by 0.06 points on a 1 to 5 scale, P = 0.02) but not in the education only group (by 0.02 points, P = 0.42); however, the improvement was not significantly greater in the comprehensive intervention group (P = 0.20).
                A physician-targeted approach of education, peer-comparison feedback, and academic detailing has modest effects on patient satisfaction and possibly on the offering of selected preventive care services. The lack of agreement between patient reports and medical records review raises concerns about current methods of ascertaining compliance with guidelines for preventive care. A randomized, single-blind, controlled trial was performed at a community health center to measure the impact of computer-generated reminders mailed to patients on the rate of influenza immunization. High-risk patients were randomized to one of three groups: 1) usual care, 2) one reminder letter, offering free influenza immunization without an appointment, or 3) two sequential reminder letters, offering the same. The reminders did not significantly affect rates of influenza immunization. Analysis of the combined groups indicates that an appointment with a primary care provider remains the most reliable method of immunizing high-risk patients at this health center. A randomized controlled trial demonstrated that a single mailed influenza vaccination cue increased the vaccination rate among elderly HMO members with high-risk chronic conditions (n = 2217) from 30 per cent to 39 per cent during the fall and winter of 1984/85. nan A dissemination intervention to facilitate adoption of a preventive practice guideline (influenza vaccination for older adults) in group practices was developed and evaluated. The intervention, small-group consensus process, started with a physician expert presenting the guideline and followed with the group participating in a structured discussion of ways to implement the guideline that culminated in a public commitment (ie, "buy in") to adopt the guideline.
                Thirteen group practices and their primary care physicians (mean size, 5) were assigned randomly to intervention or control arms. In each group practice, physicians in the intervention arm met for 1 hour. Control physicians participated in an unrelated discussion (non-steroidal drug use). Guideline adoption was determined by changes in physicians' vaccination rates that were obtained through prechart and postchart reviews of 51 physicians. Prequestionnaires and postquestionnaires measured influenza knowledge and prevention attitudes.
                Using analysis of covariance, the small-group consensus process was found to increase physician vaccination rates by 34% compared with the control arm (F (1,48) = 19.49). All intervention arm physicians increased vaccination rates from before to after compared with 54% of control arm physicians. Attitudes and knowledge did not change and were unrelated to increased vaccination rates.
                A case is made for the small-group consensus process as an effective utilization-focused dissemination method. Interventions based on group dynamics and sensitive to local practice contexts can be useful in facilitating adoption of guidelines by physicians in group practices. To test the effectiveness of customized, family-oriented reminder letters in activating patients to seek appropriate preventive services.
                Randomized clinical trial. One group received computer-generated, customized letters explaining recommended preventive procedures for each family member. A second group received a form letter listing recommendations for all preventive procedures for all age and sex groups. A third group (control group) received no letters.
                A private medical centre, without university affiliation, in rural Quebec.
                From 8770 patients who met study criteria, 719 families were randomly selected. Data were available for 1971 of 1998 patients in these families.
                The Family Received Index is the proportion of all procedures for which a family was overdue that they received. The Family End-of-study Up-to-date Index is the proportion of procedures for which the family was eligible and for which they were up-to-date at the end of the study.
                The Family Received Index for families mailed customized letters was more than double the index for patients not mailed letters (Kruskal-Wallis P = .0139). Comparison of the Family End-of-study Up-to-date indices also demonstrated that families of patients sent customized letters were more likely to be up-to-date than families not sent letters (Kruskal-Wallis P = .0054). No statistically significant difference appeared between the number of preventive measures received by the control group and the form-letter group.
                This study demonstrates a clinically small but statistically significant value to customizing reminder letters.
Personalized postcards or phone calls are effective, and home visits, and facilitators, may be effective. Reminders to physicians are not. There is insufficient good evidence for other interventions.