Objective: To examine whether a gender-tailored weight loss maintenance (WLM) program could reduce men's weight regain following weight loss. Methods: Ninety-two men who lost at least 4 kg during a 3-month weight loss phase were randomized to receive: (i) a 6-month WLM program (WL + WLM; n = 47) or (ii) no resources (WL-only; n = 45). The WLM program included written materials and messages (SMS, video email) plus other resources (e.g., pedometer, Gymstick™). The primary outcome was weight change in the first year post-randomization. Participants were assessed at “−3 months” (preweight loss), “0 months” (randomization into the WLM Phase), “6 months,” “1 year,” and “3 years.”. Results: Before randomization, participants lost a mean (SD) of 7.3 kg (2.5). Retention was 83% at 6 months and 1 year and 71% at 3 years. Intention-to-treat analysis detected a significant group × time difference in weight regain favoring the intervention group at 6 months (−1.9 kg, 95% CI −3.7 to −0.1) but not at 1- or 3-year follow-up. Three years after completing the original weight loss program the WL-only and WL + WLM groups had maintained 59% and 51% of their initial weight loss, respectively. Conclusions: Men with overweight/obesity demonstrated clinically meaningful WLM 3 years after successfully losing weight. An additional WLM program contributed to enhanced WLM effects in the short term only. (ACTRN12612000749808).
CITATION STYLE
Young, M. D., Callister, R., Collins, C. E., Plotnikoff, R. C., Aguiar, E. J., & Morgan, P. J. (2017). Efficacy of a gender-tailored intervention to prevent weight regain in men over 3 years: A weight loss maintenance RCT. Obesity, 25(1), 56–65. https://doi.org/10.1002/oby.21696
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