Moderate-to-vigorous intensity physical activity during school hours in a representative sample of 10–11-year-olds in Scotland

Lan Sum Wong, John J. Reilly, Paul McCrorie, Deirdre M. Harrington

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Abstract

Growing concern about children and adolescent physical inactivity has made the promotion of physical activity a public health priority. International recommendations suggest children should accumulate at least 30 min of moderate-to-vigorous physical activity (MVPA) during school hours. This study assessed levels of objectively-measured MVPA in a large nationally representative sample of Scottish children aged 10-11. Risk factors for not meeting the school-hours MVPA recommendation were examined. Cross-sectional. Mean time spent in MVPA during school hours across five weekdays was measured using Actigraph accelerometry (May 2015-May 2016). Binary logistic regression, presented as odds ratio (O.R.) and confidence intervals (C.I.), explored associations between meeting/not meeting the recommendation by sex, socioeconomic status (SES), season, and urban/rural residence in 2022. Valid data were obtained from 773 children (53.9% girls, 46.1% boys) from 471 schools. Mean daily school-hours MVPA was 29 (SD 11) minutes; 42.7% of children reached the recommendation. The odds of girls (O.R. 0.43; C.I. 0.32, 0.57) meeting the recommendation was significantly lower (p 
Original languageEnglish
Pages (from-to)120-124
Number of pages5
JournalJournal of Science and Medicine in Sport
Volume26
Issue number2
Early online date31 Oct 2022
DOIs
Publication statusPublished - 28 Feb 2023

Keywords

  • physical activity
  • prevention
  • health
  • accelerometer
  • primary school time
  • children

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