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The study investigated associations between selected physical activity correlates among 299 adolescents (90 boys, age 12–14 years) from 3 English schools. Physical activity was assessed by self-report and accelerometry. Correlates represented biological, predisposing, and demographic factors as described in the Youth Physical Activity Promotion Model. Boys engaged in more self-reported (p < .01) and accelerometer assessed physical activity than girls (p = .02). Positive associations between sex (male), BMI, Perceived PE Ability, Perceived PE Worth, number of enrolled students, and physical activity outcomes were evident (p < .05). School-based physical activity promotion should emphasize sex-specific enhancement of students’ perceived PE competence and enjoyment.
Hilland and Fairclough are with the REACH Group, Faculty of Education, Community, and Leisure, Liverpool John Moores University, Liverpool, UK. Ridgers and Stratton are with the REACH Group, Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK