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Change in physical activity from adolescence to early adulthood: a systematic review and meta-analysis of longitudinal cohort studies

British journal of sports medicine, 2019-04, Vol.53 (8), p.496-503 [Peer Reviewed Journal]

Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2019. All rights reserved. No commercial use is permitted unless otherwise expressly granted. ;2019 Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2019. All rights reserved. No commercial use is permitted unless otherwise expressly granted. This is an open access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) license, which permits others to distribute, remix, adapt and build upon this work, for commercial use, provided the original work is properly cited. See: http://creativecommons.org/licenses/by/4.0/ Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2019. All rights reserved. No commercial use is permitted unless otherwise expressly granted. 2019 ;ISSN: 0306-3674 ;EISSN: 1473-0480 ;DOI: 10.1136/bjsports-2016-097330 ;PMID: 28739834

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  • Title:
    Change in physical activity from adolescence to early adulthood: a systematic review and meta-analysis of longitudinal cohort studies
  • Author: Corder, Kirsten ; Winpenny, Eleanor ; Love, Rebecca ; Brown, Helen Elizabeth ; White, Martin ; Sluijs, Esther van
  • Subjects: Adolescent ; Adult ; Bias ; Exercise ; Female ; Humans ; Longitudinal Studies ; Male ; Observational Studies as Topic ; Review ; Systematic review ; Teenagers ; Young Adult ; Young adults
  • Is Part Of: British journal of sports medicine, 2019-04, Vol.53 (8), p.496-503
  • Description: ObjectiveTo systematically review and meta-analyse how physical activity (PA) changes from adolescence to early adulthood (13–30 years).Data sourcesSeven electronic databases were searched: Medline, Embase, PsycInfo, SCOPUS, ASSIA, SPORTdiscus and Web of Science.Eligibility criteria for selecting studiesEnglish-language, longitudinal studies (from 01/1980 to 01/2017) assessing PA ≥twice, with the mean age of ≥1 measurement in adolescence (13–19 years) and ≥1 in young adulthood (16–30 years) were included. Where possible, data were converted to moderate-to-vigorous physical activity (MVPA) min/day, and meta-analyses were conducted between weighted mean differences (WMDs) in adolescence and adulthood. Heterogeneity was explored using meta-regression.ResultsOf 67 included studies, 49 were eligible for meta-analysis. PA was lower during adulthood than adolescence WMD (95% CI) −5.2 (−7.3 to –3.1) min/day MVPA over mean (SD) 3.4 (2.6) years; heterogeneity was high (I2 >99.0%), and no predictors explained this variation (all p>0.05). When we restricted analysis to studies with data for males (n=29) and females (n=30) separately, there were slightly larger declines in WMD (−6.5 (−10.6 to –2.3) and −5.5 (−8.4 to −2.6) min/day MVPA) (both I2 >99.0%). For studies with accelerometer data (n=9), the decline was −7.4 (−11.6 to –3.1) and longer follow-up indicated more of a decline in WMD (95% CI) (−1.9 (−3.6 to –0.2) min/day MVPA), explaining 27.0% of between-study variation. Of 18 studies not eligible for meta-analysis, nine statistically tested change over time: seven showed a decline and two showed no change.ConclusionPA declines modestly between adolescence and young adulthood. More objective longitudinal PA data (eg, accelerometry) over this transition would be valuable, as would investigating how PA change is associated with contemporaneous social transitions to better inform PA promotion interventions.RegistrationPROSPERO ref:CRD42015030114.
  • Publisher: England: BMJ Publishing Group LTD
  • Language: English
  • Identifier: ISSN: 0306-3674
    EISSN: 1473-0480
    DOI: 10.1136/bjsports-2016-097330
    PMID: 28739834
  • Source: BMJ Open Access Journals
    MEDLINE
    ProQuest Central
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