Changes in Leisure Time Physical Activity Preferences and Hypertension Risk

Objectives: In this study, we examined the association between changes in leisure time physical activity (LTPA) preference (the extent to which participants liked or disliked certain types of physical activity) and the incidence of hypertension; we also assessed whether the association differed between urban and rural China. Methods: Based on longitudinal data from 2687 Chinese adults between 2004 and 2011, we performed multivariate logistic regressions were to assess the aforementioned association. We conducted stratified analyses to examine the urban-rural differences in this association. Results: The mean age was 40.0 (Standard Deviation = 12.5), and the mean BMI was 23.7 (Standard Deviation = 3.3). Adjusted estimates show that relative to respondents with no changes in LTPA preference, respondents who reduced preference were more likely to develop hypertension (OR = 1.92, 95% CI = 1.13-3.28). This association, however, was statistically significant among urban residents (OR = 2.19, 95% CI = 1.04-4.60), but not rural participants. Conclusions: Changes in LTPA preference and development of hypertension were significantly correlated, especially among urban Chinese. Hypertension prevention programs may identify the groups at elevated risk by examining levels and changes of LTPA preferences.