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Psychol Rep. 2008 Jun;102(3):911-9.

Correlates of changes in voluntary physical activity associated with the Youth Fit For Life intervention during after-school care.

Author information

1
YMCA of Metropolitan Atlanta, Atlanta, GA 30303, USA. jamesa@ymcaatlanta.org

Abstract

Overweight in youth is increasing and physical inactivity has been implicated as a causal factor. An after-school care intervention, Youth Fit For Life, has been associated with significant improvements in physiological factors and frequency of moderate-to-vigorous physical activity voluntarily completed outside of structured settings. Correlates of the observed changes in physical activity amounts were, however, unknown. A multiple regression equation with simultaneous entry of sex, age, race, initial Body Mass Index, and initial frequency of voluntary physical activity as predictor variables for changes in physical activity was calculated on Euro-American and African-American participants ages 8 to 12 years (N=217). A statistically significant 16% of the variance in changes in frequency of voluntary physical activity over 12 wk. was accounted for, with only voluntary physical activity at baseline and age making significant, unique contributions. For participants either overweight or at risk for overweight (n=72), the changes in physical activity significantly correlated with changes in Body Mass Index. Implications of findings to maximize treatment effects on voluntary physical activity were suggested.

PMID:
18763464
DOI:
10.2466/pr0.102.3.911-919
[Indexed for MEDLINE]

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