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Abstract

Background: A need exists to better understand multilevel influences on physical activity among diverse samples of girls. This study examined correlates of moderate-to-vigorous physical activity (MVPA) among adolescent girls from different racial/ethnic backgrounds. Methods: 1,180 6th grade girls (24.5% black, 15.7% Hispanic, and 59.8% white) completed a supervised self-administered questionnaire that measured hypothesized correlates of PA. MVPA data were collected for 6 days using the ActiGraph accelerometer. Hierarchical regression analysis was used to examine correlates of PA in each racial/ethnic group. Results: Hispanic girls (n=185) engaged in 21.7 minutes of MVPA per day, black girls (n=289) engaged in 19.5 minutes of MVPA per day, and white girls (n=706) engaged in 22.8 minutes of MVPA per day. Perceived transportation barriers (+; P=.010) were significantly and positively related to MVPA for Hispanic girls. For black girls, Body Mass Index (BMI) (-; P<.005) and social support from friends (+; P=.006) were significant correlates of MVPA. For white girls, BMI (-; P<.001), barriers (-; P=.012), social support from friends (+; P=.010), participation in school sports (+; P=.009), and community sports (+; P=.025) were significant correlates of MVPA. Explained variance ranged from 30% to 35%. Conclusions: Correlates of MVPA varied by racial/ethnic groups. Effective interventions in ethnically diverse populations may require culturally tailored strategies.

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Kelly, E. B., Parra-Medina, D., Pfeiffer, K. A., Dowda, M., Conway, T. L., Webber, L. S., ... Pate, R. R. (2010). Correlates of physical activity in black, Hispanic, and white middle school girls. Journal of Physical Activity and Health, 7(2),184-193.

© Journal of Physical Activity and Health, 2010, Human Kinetics

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