Indirect and direct relations between aerobic fitness, physical activity, and academic achievement in elementary school students

K Lambourne, D M Hansen, A N Szabo, Jae Hoon Lee, S D Herrmann, J E Donnelly

Research output: Contribution to journalArticle

Abstract

BACKGROUND: There is evidence to suggest that increasing physical activity (PA) improves academic achievement (AA) in children and that aerobic fitness is associated with both cognitive function and AA. However, it is not known how these variables are interrelated and analyses with adequate control for socioeconomic variables are needed. It was hypothesized that PA would not directly affect AA but would have an indirect effect on AA through its effect on aerobic fitness. The purpose of this study was to test this hypothesized mediation using path analysis. METHODS: Cross-sectional data including AA, aerobic fitness, and daily PA assessed through accelerometry were collected from a large sample (N = 687) of 2nd and 3rd grade students. Demographic data were assessed via parent self-report. RESULTS: A total of 401 students wore the accelerometer for at least 10 hours on 3 days or more and were included in the final path analysis to evaluate potential relations among PA (predictor), aerob
Original languageEnglish
Pages (from-to)165–171
JournalMental Health and Physical Activity
StatePublished - 2013

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