Effectiveness of the 'Girls Active’ school-based physical activity programme: A cluster randomised controlled trial

Deirdre Harrington, Melanie Davies, Danielle Bodicoat, Joanna Charles, Yogini Chudasama, Trish Gorely, Kamlesh Khunti, Tatiana Plekhanova, Alex Rowlands, Lauren Sherar, Rhiannon Tudor Edwards, Thomas Yates, Charlotte Edwardson

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Abstract

Background:
Globally, adolescent girls’ physical activity (PA) levels are low. The ‘Girls Active’
secondary school-based programme, developed by the Youth Sport Trust, aims to increase PA in adolescent girls. This paper explores the effectiveness of the
‘Girls Active’ school-based PA programme.
Methods:
A random sample of girls aged 11– 14 from 20 secondary schools (Midlands, UK) participated in a two-arm cluster randomised controlled trial. Ten schools received Girls Active and 10 continued with usual practice. Measurements were taken at baseline, seven- and 14-month follow-up. Primary outcome: wrist-worn accelerometer measured moderate- to vigorous-intensity PA (MVPA). Secondary outcomes: overall PA, light PA, sedentary time, body composition, and psychosocial outcomes. Generalised estimating equations, adjusted for school cluster and potential confounders, were used and A priori subgroup analysis was undertaken. Micro-costing and cost-consequence analyses were conducted using bespoke collection methods on programme delivery information.
Outcomes for the cost-consequence analysis were health related quality of life measured by the Child Health Utility-9D and service use.
Results:
Overall, 1752 pupils participated, 1211 (69.1%) provided valid 14-month accelerometer data. No difference in MVPA (mins/day; 95% confidence intervals) was found at 14 months (1.7; -0.8 to 4.3), there was at seven months (2.4;
0.1 to 4.7). Subgroup analyses showed significant intervention effects on 14-month in larger schools (3.9; 1.39 to 6.09) and in White Europeans (3.1; 0.60 to 6.02) and in early maturers (5.1; 1.69 to 8.48) at seven months. The control group did better in smaller schools at 14-months (-4.38; -7.34 to -1.41). Significant group differences were found in 14-month identified motivation (-0.09; -0.18 to -0.01) and at seven months in: overall PA (1.39 mg/day; 0.1 to 2.2), after-school sedentary time (-4.7; -8.9 to -0.6), whole day (5.7; 1.0 to 10.5) and school day (4.5; 0.25 to 8.75) light PA, self-esteem. Small, statistically
significant, differences in some psychosocial variables favoured control schools. Micro-costing demonstrated that delivering the programme resulted in a range of time and financial costs at each school. Cost-consequence analysis demonstrated no effect of the programme for health related quality of life or service use.
Conclusions:
Compared with usual practice, ‘Girls Active’ did not affect 14-month MVPA.
Trial registration: ISRCTN10688342
Keywords: Intervention, Physical education, Teacher, Adolescent female
Original languageEnglish
Article number40
Pages (from-to)1-18
Number of pages18
JournalInternational Journal of Behavioral Nutrition and Physical Activity
Volume15
DOIs
Publication statusPublished - 25 Apr 2018

Keywords

  • Intervention
  • Physical education
  • Adolescent female
  • Teacher

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    Harrington, D., Davies, M., Bodicoat, D., Charles, J., Chudasama, Y., Gorely, T., Khunti, K., Plekhanova, T., Rowlands, A., Sherar, L., Tudor Edwards, R., Yates, T., & Edwardson, C. (2018). Effectiveness of the 'Girls Active’ school-based physical activity programme: A cluster randomised controlled trial. International Journal of Behavioral Nutrition and Physical Activity, 15, 1-18. [40]. https://doi.org/10.1186/s12966-018-0664-6