Factors Related to Objectively Measured Physical Activity in Preschool Children

in Pediatric Exercise Science
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This study examined correlates of objectively measured physical activity (PA) in a diverse sample of preschool children (age 3–5 years; n = 331). Accelerometer min·hr−1 of moderate-to-vigorous physical activity (MVPA) and nonsedentary activity (NSA) were the outcome measures. Correlations among potential correlates and PA ranged from r = −0.12−0.26. Correlates in the final MVPA model were age, race, sex, BMI Z score, and parent perception of athletic competence, explaining 37% of the variance. The NSA model included the latter two variables, explaining 35% of the variance. Demographic factors were correlates of PA; parent perceptions of children’s competence may be important regarding preschoolers’ PA.

Pfeiffer is with the Department of Kinesiology, Michigan State University East Lansing, MI 48824. Dowda and Pate are with the Department of Exercise Science University of South Carolina, Columbia, SC 29208. McIver is with the Department of Exercise and Sport Science, East Carolina University, Greenville, SC 29208.