Resource use measurement
neck pain, cervicalgia
DISEASES
In addition to the intervention used in the trial, healthcare services used personally by the patients for neck pain were investigated at baseline and at 5, 8, and 12 weeks using a questionnaire. The questionnaire was used to survey the non-reimbursement and copayments made by the patients as well as the frequency of use. Payer reimbursement was calculated by gender and age by analyzing the records for cervicalgia (Korean Standard Classification of Diseases code: M54.2) in the 2018 HIRA-National Patient Samples (HIRA-NPS) data [The transportation costs were determined through a questionnaire survey. The time spent by patients to receive treatment was surveyed, and the time cost was calculated using the time spent by each individual based on the standard wages for their corresponding gender and age given in the 2019 Survey Report on Labor Conditions by Employment Type [Productivity loss was investigated using the Work Productivity and Activity Impairment – Specific Health Problem (WPAI-SHP) questionnaire [As the total study period was 12 weeks, a discount rate was not applied. Moreover, an inflation rate of 0.46% for change in the consumer price index for medical care was applied to the costs estimated using the 2018 HIRA-NPS data to derive the costs for 2019. An exchange rate of 1156.4 won/dollars (as of 2019) was applied to derive values in US dollars [