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    Schoolyard upgrade in a randomized controlled study design-how are school interventions associated with adolescents' perception of opportunities and recess physical activity

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    Author
    Christiansen, LB; Toftager, M; Pawlowski, CS; Andersen, HB; Ersboll, AK; Troelsen, J
    Date
    2017-02-01
    Source Title
    Health Education Research
    Publisher
    OXFORD UNIV PRESS
    University of Melbourne Author/s
    Troelsen, Jens
    Affiliation
    Melbourne School of Population and Global Health
    Metadata
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    Document Type
    Journal Article
    Citations
    Christiansen, L. B., Toftager, M., Pawlowski, C. S., Andersen, H. B., Ersboll, A. K. & Troelsen, J. (2017). Schoolyard upgrade in a randomized controlled study design-how are school interventions associated with adolescents' perception of opportunities and recess physical activity. HEALTH EDUCATION RESEARCH, 32 (1), pp.58-68. https://doi.org/10.1093/her/cyw058.
    Access Status
    Open Access
    URI
    http://hdl.handle.net/11343/256898
    DOI
    10.1093/her/cyw058
    Abstract
    School recess physical activity is important for adolescent s health and development, and several studies have established evidence based on cross-sectional studies that it is influenced by the environment in the schoolyard. The aim of this study was to investigate the effect and variation across schools of a school-based intervention on students perceived opportunities for physical activity in the schoolyard, and to evaluate if an improved collective perception of opportunities was followed by an increase in PA during recess for the 13-15 year-old students. The intervention components included schoolyard renovation; mandatory outdoor recess; and increased adult supervision and support. Students collective perceptions were evaluated by a newly developed Schoolyard index (SYi) with seven items, and physical activity was objectively measured with accelerometer. We found variations in the change of student perceptions across the intervention schools, and that a one unit increase in the Schoolyard index (SYi) led to a 12% increase in recess PA. This study shows that adolescent PA during recess can be increased through a multicomponent intervention. The prospect for making an impact is low and according to the process analysis dependent on direct involvement; active and supportive adults; and varied, connected and well located facilities.

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