TAILIEUCHUNG - Báo cáo y học: "Comparison between data obtained through real-time data capture by SMS and a retrospective telephone interview"

Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Critical Care giúp cho các bạn có thêm kiến thức về ngành y học đề tài: Comparison between data obtained through real-time data capture by SMS and a retrospective telephone interview. | Johansen and Wedderkopp Chiropractic Osteopathy 2010 18 10 http content 18 1 10 CHIROPRACTIC OSTEOPATHY METHODOLOGY _ Open Access Comparison between data obtained through real-time data capture by SMS and a retrospective telephone interview Bendt Johansen 1 2 and Niels Wedderkopp1 2 Abstract Background The aims of the current study were a to quantitatively compare data obtained by Short Message Service SMS with data from a telephone interview b to investigate whether the respondents had found it acceptable to answer the weekly two SMS questions c to explore whether an additional weekly third SMS question would have been acceptable and d to calculate the total cost of using the SMS technology. Methods SMS technology was used each week for 53 weeks to monitor 260 patients with low back pain LBP in a clinical study. Each week these patients were asked the same two questions How many days in the past week have you had problems due to LBP and How many days in the past week have you been off work due to LBP problems The last 31 patients were also contacted by telephone 53 weeks after recruitment and asked to recall the number of days with LBP problems and days off work for the a past week b past month and c past year. The two sets of answers to the same questions for these patients were compared. Patients were also asked whether a third SMS question would have been acceptable. The test-retest reliability was compared for 1-week 1-month and 1-year. Bland-Altman limits of agreement were calculated. The two quantitative questions were reported as percentages. Actual costs for the SMSTrack-Questionnaire SMS-T-Q were compared with estimated costs for paper version surveys. Results There was high agreement between telephone interview and SMS-T-Q responses for the 1-week and 1-month recall. In contrast the 1-year recall showed very low agreement. A third SMS question would have been acceptable. The SMS system was considerably less costly than a paper-based

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