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dc.contributor.authorHarrison, Flo
dc.contributor.authorvan Sluijs, Esther M.F
dc.contributor.authorCorder, Kirsten
dc.contributor.authorEkelund, Ulf
dc.contributor.authorJones, Andy
dc.date.accessioned2016-02-18T09:32:02Z
dc.date.available2016-02-18T09:32:02Z
dc.date.issued2015-03-21
dc.identifier.citationInternational Journal of Behavioral Nutrition and Physical Activity. 2015, 12, 41. doi: 10.1186/s12966-015-0202-8nb_NO
dc.identifier.urihttp://hdl.handle.net/11250/2379468
dc.description© Harrison et al.; licensee BioMed Central. 2015nb_NO
dc.description.abstractBackground: Weather conditions, along with day length, are proposed as the main drivers of the seasonal patterns in children’s physical activity (PA), but little is known about how they affect children at different ages. This study examines the relationship between rainfall and PA in a longitudinal cohort of initially 9–10 year-old children in Norfolk, UK. Methods: Participants were 283 children from the SPEEDY study who wore accelerometers ≤7 days on three occasions in the summer of 2007, 2008 and 2011 at ages 9–10, 10–11, and 13-14y. Daily weather data were obtained for two local weather stations. Relationships between rainfall and PA (moderate-to-vigorous-PA (MVPA; ≥2000) vigorous PA (VPA; ≥4000), counts per minute (cpm)) and sedentary time were assessed in multiple-membership multilevel models. PA was assessed over the whole day, and over parts of the school day; commute time (8 am-9 am and 3 pm-4 pm), lunchtime (12noon-2 pm), and after school (4 pm-9 pm). Results: At ages 9–10 and 10-11y, PA declined with increasing rainfall, with an average of 14.0 (SE 2.9) and 11.4 (3.0) minutes less MVPA on the wettest days (≥1.7 mm rain) compared to dry days respectively. There was no significant trend in MVPA across rainfall categories at age 13–14 years. Between ages 9–10 and 13–14, MVPA decline was largest on dry days (-15.2 (2.7) minutes). These patterns were also apparent during school lunchtime and after school, however they were not seen during school commute times. Similar patterns were seen for other PA intensities. Conclusions: Increased rainfall is associated with significant decreases in PA among primary school children, but not secondary school children. PA declines most steeply between the ages of 9–10 and 13–14 on dry days. Interventions to increase activity on wet days may be most relevant at primary schools. Our results also highlight the importance of habitualising behavior to make children more resilient both to bad weather, and potentially age-related decline in activity.nb_NO
dc.language.isoengnb_NO
dc.publisherBioMed Centralnb_NO
dc.subjectphysical activitynb_NO
dc.subjectweathernb_NO
dc.subjectschoolnb_NO
dc.subjectchildrennb_NO
dc.subjectrainfallnb_NO
dc.titleThe changing relationship between rainfall and children's physical activity in spring and summer: a longitudinal studynb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.subject.nsiVDP::Social science: 200nb_NO
dc.subject.nsiVDP::Social science: 200::Social science in sports: 330nb_NO
dc.subject.nsiVDP::Medical disciplines: 700nb_NO
dc.subject.nsiVDP::Medical disciplines: 700::Sports medicine: 850nb_NO
dc.source.journalInternational Journal of Behavioral Nutrition and Physical Activitynb_NO
dc.description.localcodeSeksjon for idrettsmedisinske fag / Department of Sports Medicinenb_NO


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