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More than 50% of Chinese college students rarely engage in any type of physical activity (PA). The literature shows several issues in college students' health due to lack of PA. Promoting college students' PA participation across the country has become a challenging task. This study aims to create a questionnaire into the correlates that affect Chinese college students' engagement in leisure time PA. We first determined the factor structure of college students' PA engagements. Then, we tested and verified the reliability and validity of the factor structure of the questionnaire. The Chinese college students' PA correlates questionnaire was designed according to the Social Ecological Model. Exploratory factor analysis (EFA) extracted all the included items, whereas confirmatory factor analysis (CFA) verified the validity of the model. We recruited 1290 college students to complete the questionnaire. A second-order structural model was constructed. Specifically, the first-order included individual, social, and environmental as dimensions, while the second-order had interest, media, social support, traditional culture, facilities, and environment as factors. The six factors have polymerized 22 items. The model demonstrated a good fit (X2/df = 1.4; CFI = 0.98; GFI = 0.94; RMSEA = 0.02; SRMR = 0.05). In conclusion, the newly established questionnaire of college students' PA correlates is reasonable, and the results of factors reliabilities and model fit are acceptable. [ABSTRACT FROM AUTHOR]