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dc.contributor.authorAtkin, Andrew Jen
dc.contributor.authorCorder, Kirstenen
dc.contributor.authorGoodyer, Ianen
dc.contributor.authorBamber, Dianeen
dc.contributor.authorEkelund, Ulfen
dc.contributor.authorBrage, Sorenen
dc.contributor.authorDunn, Valerieen
dc.contributor.authorVan Sluijs, Estheren
dc.identifier.citationInternational Journal of Behavioral Nutrition and Physical Activity 2015, 12:23 DOI: 10.1186/s12966-015-0180-xen
dc.description.abstractBackground This study examined the association of adolescent-reported family functioning and friendship quality with objectively-measured moderate to vigorous physical activity (MVPA), sedentary time, and self-reported sedentary behaviours. Methods Data are from the ROOTS study. MVPA and sedentary time were assessed using combined movement and heart rate sensing. Time spent TV viewing, using the internet, playing video games, doing homework and reading for pleasure was self-reported. Data on objectively-measured and self-reported outcomes for weekdays was available for 738 (age 14.5y, 55.7% female) and 800 (56.3% female) participants, respectively. Adolescents perceived family functioning and friendship quality (Two subscales: ‘Good friendship qualities’, ‘Friendship difficulties’) was assessed by questionnaire. Analyses were conducted using multi-level linear or logistic regression. Results Adolescents reporting better family functioning accumulated more MVPA on weekdays (beta; 95% confidence interval: 0.57; 0.17,0.98). Higher scores on the good friendship qualities subscale was associated with greater MVPA throughout the week (weekdays: 1.13; 0.62,1.65, weekend: 0.56; 0.09,1.02) and lower sedentary time on weekdays (−10.34; −17.03,-3.66). Boys from better functioning families were less likely to report playing video games at the weekend (OR; 95% confidence interval: 0.73; 0.57,0.93) or reading for pleasure (weekday: 0.73; 0.56,0.96 weekend: 0.75; 0.58,0.96). Boys who attained higher scores on the good friendship qualities scale were less likely to play video games at the weekend (0.61; 0.44,0.86) or report high homework on weekdays (0.54; 0.31,0.94). A higher score for good friendship qualities was associated with lower odds of girls playing video games during the week (0.76; 0.58,1.00) or reading for pleasure at the weekend (0.61; 0.42,0.88). Girls that reported fewer friendship difficulties had lower odds of high TV viewing (0.76; 0.62,0.93) or playing video games (0.71; 0.52,0.97) at the weekend, and lower odds of reading for pleasure (0.63; 0.49,0.81) or reporting high homework on weekdays (0.70; 0.52,0.95). Discussion Family functioning and friendship quality exhibit a complex pattern of association with physical activity and sedentary behaviour that varies by sex and day of the week. Findings highlight the potential value of targeting interpersonal aspects of the family and friendships as an adjunct to behaviour change interventions.
dc.description.sponsorshipThe work of Andrew J Atkin, Kirsten Corder, and Esther M F van Sluijs was supported, wholly or in part, by the Centre for Diet and Activity Research (CEDAR), a UKCRC Public Health Research Centre of Excellence (RES-590-28-0002). Funding from the British Heart Foundation, Department of Health, Economic and Social Research Council, Medical Research Council, and the Wellcome Trust, under the auspices of the UK Clinical Research Collaboration, is gratefully acknowledged. The work of Esther M F van Sluijs, Kirsten Corder, Ulf Ekelund and Soren Brage was supported by the Medical Research Council (MC_UU_12015/7, MC_UU_12015/3). The ROOTS data collection was supported by a programme grant to Ian Goodyer (074296/Z/04/Z) from the Wellcome Trust and by the Medical Research Council Epidemiology Unit and Medical Research Council Human Nutrition Research.
dc.publisherBioMed Central
dc.rightsAttribution 2.0 UK: England & Wales*
dc.subjectPhysical activityen
dc.subjectSedentary behaviouren
dc.titlePerceived family functioning and friendship quality: cross-sectional associations with physical activity and sedentary behavioursen
dc.description.versionThis is the final version of the article. It first appeared at
prism.publicationNameInternational Journal of Behavioral Nutrition and Physical Activityen
dc.rioxxterms.funderWellcome Trust
dc.contributor.orcidCorder, Kirsten [0000-0002-2744-3501]
dc.contributor.orcidGoodyer, Ian [0000-0001-9183-0373]
dc.contributor.orcidBrage, Soren [0000-0002-1265-7355]
dc.contributor.orcidVan Sluijs, Esther [0000-0001-9141-9082]
rioxxterms.typeJournal Article/Reviewen
pubs.funder-project-idMRC (MC_UU_12015/3)
pubs.funder-project-idMRC (MC_UU_12015/7)
pubs.funder-project-idWellcome Trust (074296/Z/04/Z)

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Attribution 2.0 UK: England & Wales
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