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Ann Behav Med. 2013 Feb;45 Suppl 1:S142-50. doi: 10.1007/s12160-012-9437-7.

Predictors of moderate-to-vigorous physical activity (MVPA) in African American young adolescents.

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  • 1Division of Preventive Medicine, University of Alabama at Birmingham, 1717 11th Avenue South, MT 618, Birmingham, AL 35205, USA. mbaskin@uab.edu

Abstract

BACKGROUND:

African American adolescents residing in the South are at increased risk for obesity and physical inactivity, yet our understanding of potential influences is limited.

PURPOSE:

Using an ecological framework, this study explored multilevel predictors (individual, family, home, and neighborhood environment) of moderate-to-vigorous physical activity (MVPA) among 116 African American adolescents (ages 12-16).

METHODS:

Adolescents and their parents completed self-report surveys for hypothesized predictors. Youth physical activity was measured using accelerometry.

RESULTS:

In multiple regression models, decreased daily MVPA was associated with female sex (β = -24.27, p < 0.0001). Family social support (β = 1.07, p = 0.004) and adolescent self efficacy for PA (β = 6.89, p = 0.054) were positively associated with daily MVPA.

CONCLUSIONS:

Adolescent demographics along with family social support and self-efficacy influence younger African American adolescent physical activity. Further exploration of the complex interaction of multiple levels of influence is needed to develop appropriate interventions for this vulnerable group.

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