School Lunch Timing and Children's Physical Activity During Recess: An Exploratory Study |
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Authors: | Gabriella M. McLoughlin Caitlyn G. Edwards Alicia Jones Morgan R. Chojnacki Nicholas W. Baumgartner Anne D. Walk Amelia M. Woods Kim C. Graber Naiman A. Khan |
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Affiliation: | 1. Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, IL;2. Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, Urbana, IL |
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Abstract: | ObjectiveTo examine the relationship between school lunch timing (before vs after recess) on physical activity (PA) during recess and energy balance and food intake at lunch.MethodsA cross-sectional study design was used to examine lunch intake and PA during recess among fourth- and fifth-graders (n = 103) over 5 school days. Lunch and PA were measured using a weighted plate waste technique and accelerometry, respectively.ResultsChildren who received lunch before recess accumulated lower residual energy (ie, energy intake at lunch minus energy expenditure during recess) and consumed a greater proportion of milk servings. No timing effects were observed for other lunch and PA variables.Conclusions and ImplicationsLunch intake and activity during recess are related to lunch timing policy. Findings warrant further examination using experimental and quasi-experimental studies to better understand the impact of timing on health behaviors. |
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Keywords: | Address for correspondence: Naiman A. Khan, PhD, RD, Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, 317 Freer Hall, 906 South Goodwin Ave, Urbana, IL 61801 plate waste policy recess school health |
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