Date_Body appreciation and physical activity

The data consists of tests conducted by more than 300 college student in Beijing, all participants completed body appearance scale, physical activity scale, exercise identity scale and perceived stress scale and provided their demographic information, wherein a total of 3 tests were implemented with an interval of 2 weeks between each test. Body appreciation at T1, exercise identity and perceived stress at T2, and physical activity at T3 were included in analysis. Sociodemographic variables and physical activity at T1 were treated as control variables. The data was analyzed using SPSS and Hayes's PROCESS, and Model4 and Model7 were adopted to examine the assumed model.