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Title: Promoting physical activity among adolescent girls: the 'Girls in Sport' group randomized trial
Contributor(s): Okely, Anthony D (author); Lubans, David R (author); Morgan, Philip J (author); Cotton, Wayne (author); Peralta, Louisa (author); Miller, Judith A  (author)orcid ; Batterham, Marijka (author); Janssen, Xanne (author)
Publication Date: 2017
Open Access: Yes
DOI: 10.1186/s12966-017-0535-6Open Access Link
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Abstract: Background: Slowing the decline in participation in physical activity among adolescent girls is a public health priority. This study reports the outcomes from a multi-component school-based intervention ('Girls in Sport'), focused on promoting physical activity among adolescent girls. Methods: Group randomized controlled trial in 24 secondary schools (12 intervention and 12 control). Assessments were conducted at baseline (2009) and at 18 months post-baseline (2010). The setting was secondary schools in urban, regional and rural areas of New South Wales, Australia. All girls in Grade 8 in 2009 who attended these schools were invited to participate in the study (N = 1769). Using a Health Promoting Schools and Action Learning Frameworks, each school formed a committee and developed an action plan for promoting physical activity among Grade 8 girls. The action plan incorporated strategies in three main areas - i) the formal curriculum, ii) school environment, and iii) home/school/community links - based on the results of formative data from target girls and staff and on individual needs of the school. A member of the research team supported each school throughout the intervention. The main outcome measure was accelerometer-derived total physical activity (TPA) spent in physical activity. Data were analyzed from December 2011 to March 2012. Results: 1518 girls (mean age 13.6y ±0.02) were assessed at baseline. There was a significant decline in TPA from baseline to 18-month follow-up with no differences between girls in the intervention and control schools. Only one-third of schools (4/12) implemented the intervention as per their action plan. Per-protocol analyses on these schools revealed a smaller decline in percentage of time spent in MVPA among girls in the intervention group (adjusted difference 0.5%, 95% CI = -0.01, 0.99, P = 0.05). Conclusions: The 'Girls in Sport' intervention was not effective in reducing the decline in physical activity among adolescent girls. Lack of implementation by most intervention schools was the main reason for a null effect. Identifying strategies to enhance implementation levels is critical to determining the true potential of this intervention approach.
Publication Type: Journal Article
Source of Publication: International Journal of Behavioral Nutrition and Physical Activity, 14(1), p. 1-13
Publisher: BioMed Central Ltd
Place of Publication: United Kingdom
ISSN: 1479-5868
Field of Research (FOR): 130313 Teacher Education and Professional Development of Educators
130303 Education Assessment and Evaluation
130210 Physical Education and Development Curriculum and Pedagogy
Socio-Economic Outcome Codes: 9304 School/Institution
930103 Learner Development
930302 Syllabus and Curriculum Development
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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