Abstract
PurposeEmerging evidence suggests that attributing one’s weight to genetics may contribute to the adoption of obesogenic behaviors. We examined if weight-related genetic attributions were associated with weight change during a weight gain prevention intervention.MethodsParticipants (n=185) were from a randomized clinical trial of a digital health weight gain prevention intervention for Black women age 25–44 with BMI 25.0–34.9kg/m2. Weight-related genetic attributions (weight status attribution and weight loss attributions) were measured at baseline and 12 months.ResultsAmong intervention participants, high genetic attribution for weight loss was associated with greater weight loss at 12 months (−2.7 kg vs 0.5 kg) and 18 months (−3.0 kg vs 0.9 kg). Among usual care participants, high genetic attribution for weight status was associated with greater 18-month weight gain (2.9 kg vs 0.3 kg). The intervention reduced likelihood of high genetic attribution for weight loss at 12 months (p=0.05). Change in likelihood of genetic attribution was not associated with weight change over 12 months.ConclusionImpact of genetic attributions on weight differs for those enrolled and not enrolled in an intervention. However, weight gain prevention intervention may reduce genetic attribution for weight loss.
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More From: Genetics in medicine : official journal of the American College of Medical Genetics
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