Long-term weight loss trajectories following participation in a randomised controlled trial of a weight management programme for men delivered through professional football clubs : a longitudinal cohort study and economic evaluation

Gray, Cindy M. and Wyke, Sally and Zhang, Ruiqi and Anderson, Annie S. and Barry, Sarah and Boyer, Nicki and Brennan, Graham and Briggs, Andrew and Bunn, Christopher and Donnachie, Craig and Grieve, Eleanor and Kohli-Lynch, Ciaran and Lloyd, Suzanne M. and McConnachie, Alex and McCowan, Colin and MacLean, Alice and Mutrie, Nanette and Hunt, Kate (2018) Long-term weight loss trajectories following participation in a randomised controlled trial of a weight management programme for men delivered through professional football clubs : a longitudinal cohort study and economic evaluation. International Journal of Behavioral Nutrition and Physical Activity, 15. ISSN 1479-5868

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    Abstract

    Background: Obesity is a major public health concern requiring innovative interventions that support people to lose weight and keep it off long term. However, weight loss maintenance remains a challenge and is under-researched, particularly in men. The Football Fans in Training (FFIT) programme engages men in weight management through their interest in football, and encourages them to incorporate small, incremental physical activity and dietary changes into daily life to support long term weight loss maintenance. In 2011/12, a randomised controlled trial (RCT) of FFIT demonstrated effectiveness and cost-effectiveness at 12 months. The current study aimed to investigate long-term maintenance of weight loss, behavioural outcomes and lifetime cost-effectiveness following FFIT. Methods: A longitudinal cohort study comprised 3.5-year follow-up of the 747 FFIT RCT participants. Men aged 35-65 years, BMI≥28 kg/m2 at RCT baseline who consented to long-term follow-up (n=665) were invited to participate: those in the FFIT Follow-Up Intervention group (FFIT-FU-I) undertook FFIT in 2011 during the RCT; the FFIT Follow-Up Comparison group (FFIT-FU-C) undertook FFIT in 2012 under routine (non-research) conditions. The primary outcome was objectively-measured weight loss (from baseline) at 3.5 years. Secondary outcomes included changes in self-reported physical activity and diet at 3.5 years. Cost-effectiveness was estimated at 3.5 years and over participants’ lifetime. Results: Of 665 men invited, 488 (73%; 65% of the 747 RCT participants) attended 3.5-year measurements. The FFIT-FU-I group sustained a mean weight loss of 2.90 kg (95% CI 1.78, 4.02; p<0.001) 3.5 years after starting FFIT; 32.2% (75/233) weighed ≥5% less than baseline. The FFIT-FU-C group had lost 2.71 kg (1.65, 3.77; p<0.001) at the 3.5-year measurements (2.5 years after starting FFIT); 31.8% (81/255) weighed ≥5% less than baseline. There were significant sustained improvements in self-reported physical activity and diet in both groups. The estimated incremental cost-effectiveness of FFIT was £10,700-£15,300 per QALY gained at 3.5 years, and £1,790-£2,200 over participants’ lifetime. Conclusions: Participation in FFIT under research and routine conditions leads to long-term weight loss and improvements in physical activity and diet. Investment in FFIT is likely to be cost-effective as part of obesity management strategies in countries where football is popular.