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Seasonal variation in the distribution of daily stepping in 11-13 year old school children

McCrorie, PRW, Duncan, E, Granat, MH and Stansfield, BW 2015, 'Seasonal variation in the distribution of daily stepping in 11-13 year old school children' , International Journal of Exercise Science, 8 (4) , pp. 358-371.

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Abstract

Seasonality studies in adolescent’s physical activity(PA) tend to report total PA (e.g. steps/day) rather than more specific detail such as steps/hour. This study compared the detailed changes in PA between seasons. Thirty three adolescents (baseline age 12.2 ± 0.3y) wore the activPAL activity monitor for 8 days on two occasions. Steps/day were higher in summer (Mdn = 12,879) than winter (Mdn = 0,512), p<.001. Steps/hour were significantly higher in summer compared to winter between 17:00 and 21:00 (p<.044). No steps/day differences were found between boys and girls at either time point (p>.05), however, boys had significantly higher step counts in summer between ’13:00-14:00’ (p=.023), ’19:00-20:00’ (p=.032)and ‘20:00-21:00’ (p=.023). Total steps/day masked sex differences within specific hours of the day, particularly evening times. Detailed daily patterns of PA are required to fully understand differences between sexes and across seasons.

Item Type: Article
Schools: Schools > School of Health Sciences > Centre for Health Sciences Research
Journal or Publication Title: International Journal of Exercise Science
Publisher: Berkeley Electronic Press
ISSN: 1939-795X
Related URLs:
Funders: Non funded research
Depositing User: MH Granat
Date Deposited: 16 Nov 2015 16:29
Last Modified: 30 Nov 2015 11:17
URI: http://usir.salford.ac.uk/id/eprint/37073

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