A Randomized Trial Testing the Efficacy of a Novel Approach to Weight Loss Among Men With Overweight and Obesity

Objective To test the efficacy of a weight loss intervention designed to appeal to men. Design and methods A randomized trial tested the efficacy of the REFIT (Rethinking Eating and FITness) weight loss program compared to a waitlist control. The six-month intervention was delivered via two face-to-face sessions followed by Internet contacts. REFIT encouraged participants to create calorie deficits by making six 100-calorie changes to their eating daily while increasing physical activity and the program encouraged customization through selection of specific diet strategies evaluated each week. Results Participants (N=107, 44.2 years, 31.4 kg/m2, 76.6% white) were randomized into the study and 90.6% provided data at six months. REFIT participants lost -5.0 kg (95% CI: -6.1, -3.9) at three months, which was maintained through six months (-5.3 kg, 95% CI: -6.5, -4.2); this was greater than the control group (p