Results
low back pain, NRS, NSLBP
There were no significant differences in the general characteristics, history of NSLBP, psychosocial information, or job status between the intervention and control groups (Table Characteristics, low back pain related parameters, and job status of participants at baselineData are presented as mean ± SD or n (%). NSLBP, non-specific low back pain; NRS, numerical rating scale; FABQ, fear-avoidance beliefs questionnaire. Single-item presenteeism question*: To evaluate presenteeism, we modified the World Health Organization Health and Occupational Performance Questionnaire for the Japanese participants.Overall, 76.1% of the intervention group participants performed the quick simple exercises about once every two or one days over the three-month period. The details of exercise practice frequency are as follows: more than four days, n = 23 (34.3%); two or three days, n = 23 (34.3%); one or two days, n = 5 (7.5%); one day, n = 5 (7.5%); did not do, n = 11 (16.4%). Table Changes in non-specific low back pain and health related quality of life after 3 monthsData are presented as mean ± SD. NSLBP, non-specific low back pain. Parameters of the repeated measures analysis of covariance (ANCOVA): the covariate was the presence of NSLBP before 1 year.†P < 0.002 in the intervention or control group.