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Meta-Analysis
. 2007 Dec;57(545):979-86.
doi: 10.3399/096016407782604866.

Effectiveness of exercise-referral schemes to promote physical activity in adults: systematic review

Nefyn H Williams  1 , Maggie Hendry, Barbara France, Ruth Lewis, Clare Wilkinson
Affiliations
Meta-Analysis

Effectiveness of exercise-referral schemes to promote physical activity in adults: systematic review

Nefyn H Williams et al. Br J Gen Pract. 2007 Dec.

Abstract

Background: Despite the health benefits of physical activity, most adults do not take the recommended amount of exercise.

Aim: To assess whether exercise-referral schemes are effective in improving exercise participation in sedentary adults.

Design of study: Systematic review.

Method: Studies were identified by searching MEDLINE, CINAHL, EMBASE, AMED, PsycINFO, SPORTDiscus, The Cochrane Library and SIGLE until March 2007. Randomised controlled trials (RCTs), observational studies, process evaluations and qualitative studies of exercise-referral schemes, defined as referral by a primary care clinician to a programme that encouraged physical activity or exercise were included. RCT results were combined in a meta-analysis where there was sufficient homogeneity.

Results: Eighteen studies were included in the review. These comprised six RCTs, one non-randomised controlled study, four observational studies, six process evaluations and one qualitative study. In addition, two of the RCTs and two of the process evaluations incorporated a qualitative component. Results from five RCTs were combined in a meta-analysis. There was a statistically significant increase in the numbers of participants doing moderate exercise with a combined relative risk of 1.20 (95% confidence intervals = 1.06 to 1.35). This means that 17 sedentary adults would need to be referred for one to become moderately active. This small effect may be at least partly due to poor rates of uptake and adherence to the exercise schemes.

Conclusion: Exercise-referral schemes have a small effect on increasing physical activity in sedentary people. The key challenge, if future exercise-referral schemes are to be commissioned by the NHS, is to increase uptake and improve adherence by addressing the barriers described in these studies.

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Figures

Figure 1
Figure 1
Systematic review flow chart.
See this image and copyright information in PMC

References

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