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Int. J. Environ. Res. Public Health 2016, 13(4), 397; doi:10.3390/ijerph13040397

Correlates of Insufficient Physical Activity among Junior High School Students: A Cross-Sectional Study in Xi’an, China

School of Medicine, Xi’an Jiaotong University, Xi’an 710061, Shaanxi Province, China
Department of Medicine, University of Tennessee Medical Center, Knoxville, TN 37996, USA
Faculty of Medicine, The Chinese University of Hong Kong, Shatin 999077, Hong Kong, China
Xi’an Tie Yi High School, Xi’an 710000, Shaanxi Province, China
Author to whom correspondence should be addressed.
Academic Editor: Paul B. Tchounwou
Received: 22 January 2016 / Revised: 9 March 2016 / Accepted: 28 March 2016 / Published: 1 April 2016
(This article belongs to the Special Issue Health Behavior and Public Health)
View Full-Text   |   Download PDF [283 KB, uploaded 1 April 2016]


Background: Physical activity plays an important role in individual health at all stages of life. However, evidence is lacking regarding the level of moderate to vigorous physical activity (MVPA) and the related factors to insufficient physical activity (IPA). Methods: A sample of 1060 students aged 12–15 years from nine public junior high schools in China were invited to participate in this study. Physical activity was assessed by a modified version of the International Physical Activity Questionnaire. Logistic regression was used to assess the factors associated with IPA. Results: 30.1% boys and 43.0% girls in our sample did not engage in sufficient physical activity. Obesity (OR = 2.2, 95% CI: 1.5–2.9) and high socioeconomic status (SES) (OR = 2.4, 95% CI: 1.3–4.8) were positively associated with IPA, whereas male sex (OR = 0.7, 95% CI: 0.5–0.9), underweight status (OR = 0.5, 95% CI: 0.3–0.7), and high family support level for physical activity (OR = 0.7, 95% CI: 0.6–0.9) showed inverse associations. Age was not associated with IPA. Conclusions: IPA appears to be a considerable problem in this sample of Chinese youth. Effective interventions to increase physical activity are needed and may include improving family support level for physical activity, especially for girls, the obese and those with high SES. View Full-Text
Keywords: MVPA; adolescent; obesity; socioeconomic status (SES); family support MVPA; adolescent; obesity; socioeconomic status (SES); family support
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Wang, X.; Hui, Z.; Terry, P.D.; Ma, M.; Cheng, L.; Deng, F.; Gu, W.; Zhang, B. Correlates of Insufficient Physical Activity among Junior High School Students: A Cross-Sectional Study in Xi’an, China. Int. J. Environ. Res. Public Health 2016, 13, 397.

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