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Citation

Anokye N, Mansfield L, Kay T, Sanghera S, Lewin A & Fox-Rushby J (2018) The effectiveness and cost-effectiveness of a complex community sport intervention to increase physical activity: an interrupted time series design. BMJ Open, 8 (12), Art. No.: e024132. https://doi.org/10.1136/bmjopen-2018-024132

Abstract
Objectives An effectiveness and cost-effectiveness analyses of two-staged community sports interventions; taster sports sessions compared with portfolio of community sport sessions. Design Quasi-experiment using an interrupted time series design. Setting Community sports projects delivered by eight lead partners in London Borough of Hounslow, UK. Participants Inactive people aged 14 plus years (n=246) were recruited between May 2013 and February 2014. Interventions Community sports interventions delivered in two stages, 6-week programme of taster sport sessions (stage 1) and 6-week programme of portfolio of community sporting sessions delivered by trained coaches (stage 2). Outcome measures (a) Change in days with ≥30?min of self-reported vigorous intensity physical activity (PA), moderate intensity PA, walking and sport; and (b) change in subjective well-being and EQ5D5L quality-adjusted life-years (QALYs). Methods Interrupted time series analysis evaluated the effectiveness of the two-staged sports programmes. Cost-effectiveness analysis compares stage 2 with stage 1 from a provider’s perspective, reporting outcomes of incremental cost per QALY (2015/2016 price year). Uncertainty was assessed using deterministic and probabilistic sensitivity analyses. Results Compared with stage 1, counterfactual change at 21 days in PA was lower for vigorous (log odds: ?0.52; 95%?CI ?1 to –0.03), moderate PA (?0.50; 95% CI 0.94 to 0.05) and sport (?0.56; 95% CI ?1.02 to –0.10). Stage 2 increased walking (0.28; 95% CI 0.3 to 0.52). Effect overtime was similar. Counterfactual change at 21 days in well-being was positive particularly for ‘happiness’ (0.29; 95% CI 0.06 to 0.51). Stage 2 was more expensive (?101 per participant) but increased QALYs (0.001; 95% CI ?0.034 to 0.036). Cost per QALY for stage 2 was ?50?000 and has 29% chance of being cost-effective (?30?000 threshold). Conclusion Community-based sport interventions could increase PA among inactive people. Less intensive sports sessions may be more effective and cost-effective.

Keywords
General Medicine

Journal
BMJ Open: Volume 8, Issue 12

• Published version