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HOMBRE: A Trial Comparing 2 Weight Loss Approaches for Latino Men

      Introduction

      Latino men have been drastically under-represented in research to identify effective behavioral weight-loss interventions. This trial compared 2 interventions for weight loss: (1) a culturally adapted intervention (HOMBRE) and (2) a minimal-intensity intervention.

      Study Design

      Randomized controlled trial.

      Setting/Participants

      Latino men with a BMI ≥27 kg/m2 and 1 or more cardiometabolic risk factors (N=424) were recruited (February 15, 2017‒October 2, 2018) from 14 medical centers and randomized to receive 1 of the 2 interventions.

      Intervention

      HOMBRE provided men a choice among 3 options: coach-facilitated group sessions using online video conferencing, coach-facilitated group sessions in person, and prerecorded videos of group sessions available online.

      Main Outcome Measures

      The primary outcome was the proportion of participants sustaining clinically significant (≥5% of baseline) weight loss at 18 months. Secondary outcomes included weight loss trajectory over time, 3% and 10% weight loss, cardiometabolic risk factors, health behaviors, and psychosocial well-being at baseline and 18 months. Data were analyzed from October 6, 2020 to January 15, 2022.

      Results

      Participants were predominantly middle aged (47.0 [SD=11.9] years), were married (74.3%), were with at least some college experience (79.7%), and had middle to upper incomes (72.4% with annual family incomes >$75,000). Their average BMI was 33.1 kg/m2 (SD=5.1). The proportion achieving clinically significant weight loss at 18 months was 27.4% in the HOMBRE intervention and 20.6% in the minimal-intensity intervention (mean difference=7.2%, 95% CI= −1.8, 17.0; p=0.13). Mean difference between the HOMBRE vs the minimal-intensity group was ‒1.25 kg at 6 months (95% CI= −2.28, −0.21; p=0.02) and ‒1.11 kg at 12 months (95% CI= −2.11, −0.10; p=0.03) using weight measurement data abstracted from the Electronic Health Record and by self report. There were no significant differences in secondary outcomes.

      Conclusions

      Among Latino men with overweight and obesity, HOMBRE was not more effective for clinically significant weight loss than a minimal-intensity intervention at 18 months.
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