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Effectiveness of a lifestyle weight-loss intervention targeting inactive former elite athletes: the Champ4Life randomised controlled trial [with consumer summary]
Silva AM, Nunes CL, Jesus F, Francisco R, Matias CN, Cardoso M, Santos I, Carraca EV, Finlayson G, Silva MN, Dickinson S, Allison D, Minderico CS, Martins P, Sardinha LB
British Journal of Sports Medicine 2022 Apr;56(7):394-401
clinical trial
8/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: Yes; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: Yes; Intention-to-treat analysis: Yes; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

OBJECTIVES: Many athletes struggle in managing the end of their career, often gaining weight and adopting unhealthy lifestyles. Lifestyle programmes targeting former athletes who have gained substantial fat mass (FM) postsports career are lacking. We studied the effects of the Champ4Life programme on body composition and other health-related outcomes in former elite athletes with overweight or obesity. METHODS: Ninety-four former athletes (42.4 +/- 7.3 y, 34.0% female) were recruited and randomly assigned to either an intervention group (IG; n = 49) or a control group (CG; n = 45). The IG attended 12 educational sessions addressing physical activity, weight management and nutrition. They also had a nutrition appointment aimed to prescribe a moderate caloric deficit (approximately 300 to 500 kcal/day). Dual-energy X-ray absorptiometry was used to assess body composition. The Short-Form Health Survey-36 questionnaire was used to measure general health-related quality of life. Blood samples were collected to assess cardiometabolic health parameters. RESULTS: At 12 months, the IG lost more weight (estimated difference (ED) = -5.3 kg; -6.9 to -3.8), total FM (ED = -4.1 kg; -5.4 to -2.8) and abdominal FM (ED = -0.49 kg; -0.64 to -0.33) than did the CG (p's < 0.001). Cardiometabolic health markers also improved significantly (p < 0.05) more in the IG at 12 months (insulin (ED = -4.9 muU/mL; -8.0 to -1.8); homoeostatic model assessment (ED = -1.2; -2.1 to -0.4); total cholesterol (ED = -21.8 mg/dL; -35.4 to -8.2); low-density lipoprotein (ED = 18.2 mg/dL; -29.2 to -7.1)), as did quality-of-life dimensions (physical functioning (ED = 11.7; 6.5 to 16.9); physical role (ED = 17.6; 2.1 to 33.0); general health (ED = 19.4; 11.4 to 27.4); vitality (ED = 13.3; 5.3 to 21.3) and mental health (ED = 12.3; 4.1 to 20.6)). CONCLUSIONS: The Champ4Life programme was effective in substantially reducing total and abdominal FM while preserving fat-free mass and improving health-related markers. These findings will enable evidence-based decisions when implementing lifestyle interventions targeting retired elite athletes. TRIAL REGISTERATION NUMBER: NCT03031951.
Reproduced with permission from the BMJ Publishing Group.

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