Protocol for a feasibility cluster randomised controlled trial of a peer-led school-based intervention to increase the physical activity of adolescent girls (PLAN-A)

被引：2

作者：

Sebire S.J. ^{[1
]}

Edwards M.J. ^{[1
]}

Campbell R. ^{[2
]}

Jago R. ^{[1
]}

Kipping R. ^{[2
]}

Banfield K. ^{[1
]}

Tomkinson K. ^{[2
]}

Garfield K. ^{[2
]}

Lyons R.A. ^{[3
]}

Simon J. ^{[2
]}

Blair P.S. ^{[2
]}

Hollingworth W. ^{[2
]}

机构：

[1] University of Bristol, Centre for Exercise, Nutrition and Health Sciences, School for Policy Studies, Bristol

[2] University of Bristol, School of Social and Community Medicine, Bristol

[3] Swansea University Medical School, Farr Institute, Swansea

来源：

Pilot and Feasibility Studies | / 2卷 / 1期

基金：

英国医学研究理事会; 英国经济与社会研究理事会;

关键词：

Adolescent girls; Intervention; Peers; Physical activity; School;

D O I：

10.1186/s40814-015-0045-8

中图分类号：

学科分类号：

摘要：

Background: Physical activity levels are low amongst adolescent girls, and this population faces specific barriers to being active. Peer influences on health behaviours are important in adolescence and peer-led interventions might hold promise to change behaviour. This paper describes the protocol for a feasibility cluster randomised controlled trial of Peer-Led physical Activity iNtervention for Adolescent girls (PLAN-A), a peer-led intervention aimed at increasing adolescent girls' physical activity levels. Methods/design: A two-arm cluster randomised feasibility trial will be conducted in six secondary schools (intervention n=4; control n=2) with year 8 (12-13years old) girls. The intervention will operate at a year group level and consist of year 8 girls nominating influential peers within their year group to become peer-supporters. Approximately 15% of the cohort will receive 3days of training about physical activity and interpersonal communication skills. Peer-supporters will then informally diffuse messages about physical activity amongst their friends for 10weeks. Data will be collected at baseline (time 0 (T0)), immediately after the intervention (time 1 (T1)) and 12months after baseline measures (time 2 (T2)). In this feasibility trial, the primary interest is in the recruitment of schools and participants (both year 8 girls and peer-supporters), delivery and receipt of the intervention, data provision rates and identifying the cost categories for future economic analysis. Physical activity will be assessed using 7-day accelerometry, with the likely primary outcome in a fully-powered trial being daily minutes of moderate-to-vigorous physical activity. Participants will also complete psychosocial questionnaires at each time point: assessing motivation, self-esteem and peer physical activity norms. Data analysis will be largely descriptive and focus on recruitment, attendance and data provision rates. The findings will inform the sample size required for a definitive trial. A detailed process evaluation using qualitative and quantitative methods will be conducted with a variety of stakeholders (i.e. pupils, parents, teachers and peer-supporter trainers) to identify areas of success and necessary improvements prior to proceeding to a definitive trial. Discussion: This paper describes the protocol for the PLAN-A feasibility cluster randomised controlled trial which will provide the information necessary to design a fully-powered trial should PLAN-A demonstrate evidence of promise. © 2016 Sebire et al.

引用

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