[Sedentary behavior during leisure time and social determinants among Chinese adults in 2010-2012].

OBJECTIVE:To analyze the leisure time sedentary behavior and related sociodemographic factors among Chinese adults. METHODS:The data were collected by the physical activity questionnaire of 2012 Chinese Nutrition and Health Survey, a total of142 369 subjects aged 18 years and over( male 62 563, female 79 806) were investigated about their sedentary behavior in leisure time. RESULTS:The average hour of total sedentary activities was 2. 66 h/d. About 82. 1% of residents aged 18 years and over spent2 h and over on sedentary activities in leisure time. Urban( 83. 0%), male( 83. 8%), higher education level, higher family income( 83. 6%) and never married( 89. 1%) were higher than their counterparts, as age decreasing and educational level increasing, the rateof spending 2 h and over on sedentary activities increased. Logistic regression model showed that the rates varied according to different social determinants. CONCLUSION:Chinese resident spent much time on sedentary activities and the pattern was varied according to socio-demographic factors.