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dc.contributor.authorWitham, Miles D
dc.contributor.authorDonnan, Peter T
dc.contributor.authorVadiveloo, Thenmalar
dc.contributor.authorSniehotta, Falko F
dc.contributor.authorCrombie, Iain K
dc.contributor.authorFeng, Zhiqiang
dc.contributor.authorMcMurdo, Marion E T
dc.date.accessioned2014-07-09T12:01:04Z
dc.date.available2014-07-09T12:01:04Z
dc.date.issued2014-01-30
dc.identifier.citationWitham , M D , Donnan , P T , Vadiveloo , T , Sniehotta , F F , Crombie , I K , Feng , Z & McMurdo , M E T 2014 , ' Association of day length and weather conditions with physical activity levels in older community dwelling people ' , PLoS One , vol. 9 , no. 1 , e85331 . https://doi.org/10.1371/journal.pone.0085331en
dc.identifier.issn1932-6203
dc.identifier.otherPURE: 119029742
dc.identifier.otherPURE UUID: aadc6eb2-d7fe-4029-ad97-e780bff5723b
dc.identifier.otherPubMed: 24497925
dc.identifier.otherScopus: 84900445601
dc.identifier.otherWOS: 000330617100008
dc.identifier.urihttp://hdl.handle.net/10023/4987
dc.descriptionThis study was funded by Scottish Executive grant CZH/4/518. The sponsor was the University of Dundee.en
dc.description.abstractBackground: Weather is a potentially important determinant of physical activity. Little work has been done examining the relationship between weather and physical activity, and potential modifiers of any relationship in older people. We therefore examined the relationship between weather and physical activity in a cohort of older community-dwelling people. Methods: We analysed prospectively collected cross-sectional activity data from community-dwelling people aged 65 and over in the Physical Activity Cohort Scotland. We correlated seven day triaxial accelerometry data with daily weather data (temperature, day length, sunshine, snow, rain), and a series of potential effect modifiers were tested in mixed models: environmental variables (urban vs rural dwelling, percentage of green space), psychological variables (anxiety, depression, perceived behavioural control), social variables (number of close contacts) and health status measured using the SF-36 questionnaire. Results: 547 participants, mean age 78.5 years, were included in this analysis. Higher minimum daily temperature and longer day length were associated with higher activity levels; these associations remained robust to adjustment for other significant associates of activity: age, perceived behavioural control, number of social contacts and physical function. Of the potential effect modifier variables, only urban vs rural dwelling and the SF-36 measure of social functioning enhanced the association between day length and activity; no variable modified the association between minimum temperature and activity. Conclusions: In older community dwelling people, minimum temperature and day length were associated with objectively measured activity. There was little evidence for moderation of these associations through potentially modifiable health, environmental, social or psychological variables.
dc.format.extent9
dc.language.isoeng
dc.relation.ispartofPLoS Oneen
dc.rightsCopyright: © 2014 Witham et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. http://creativecommons.org/licenses/by/4.0/en
dc.subjectQ Scienceen
dc.subject.lccQen
dc.titleAssociation of day length and weather conditions with physical activity levels in older community dwelling peopleen
dc.typeJournal articleen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews.Geography & Sustainable Developmenten
dc.identifier.doihttps://doi.org/10.1371/journal.pone.0085331
dc.description.statusPeer revieweden
dc.identifier.urlhttp://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0085331en


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