| Summary: | 博士 === 國立成功大學 === 健康照護科學研究所 === 104 === Objective: The aim of this study is to examine the effectiveness of Activity Promotion System (APS) on promoting physical activity (PA) for subjects with metabolic abnormalities.
Methods: We designed a 6-month randomized controlled trial with a cross-over design, and finally recruited 53 subjects. Subjects in group A used APS with a wearable device (which could measure whole-day physical activities including sleep time, sedentary, light, moderate and vigorous PA) and web-based feedback system in the first 3 months and followed by usual care with traditional health education in the next 3 months. Subjects in the group B took turn to receive the above programs in a reverse order. Physical activities and metabolic abnormalities were measured prior to the intervention, 3 months after the first intervention, and 6 months after the other intervention respectively. Independent t test was used to test the effects APS using. Generalized Estimating Equation (GEE) was used to analyze differences between two groups across research period. Difference in differences (DID) analysis were used to compare the difference within and between groups.
Results: This study found that the APS had short-term effects on decreasing sedentary time and increasing mild PA, moderate PA, total PA, and daily steps counts. The secondary outcome measures of metabolic abnormalities, APS provide a positive effect on decreasing waist circumference.
Conclusion: This APS appeared to decrease sedentary time and to increase PA for people with only metabolic abnormalities but not with metabolic syndrome, diabetes or cardiovascular disease. However, long-term studies with APS and larger sample size are needed to further confirm the effectiveness of this innovative activity promotion system.
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