Differences in weight-loss outcomes among race-gender subgroups by behavioural intervention delivery mode: An analysis of the POWER trial.
behavioural weight loss trials
black women
health disparities
obesity
race/ethnicity
remote intervention
Journal
Clinical obesity
ISSN: 1758-8111
Titre abrégé: Clin Obes
Pays: England
ID NLM: 101560587
Informations de publication
Date de publication:
13 May 2024
13 May 2024
Historique:
revised:
18
03
2024
received:
14
06
2023
accepted:
30
03
2024
medline:
14
5
2024
pubmed:
14
5
2024
entrez:
14
5
2024
Statut:
aheadofprint
Résumé
Prior in-person behavioural intervention studies have documented differential weight loss between men and women and by race, with Black women receiving the least benefit. Remotely delivered interventions are now commonplace, but few studies have compared outcomes by race-gender groups and delivery modality. We conducted a secondary analysis of POWER, a randomized trial (NCT00783315) designed to determine the effectiveness of 2 active, lifestyle-based, weight loss interventions (remote vs. in-person) compared to a control group. Participants with obesity and at least one cardiovascular disease risk factor (N = 415) were recruited in the Baltimore, MD area. Data from 233 white and 170 Black individuals were used for this analysis. Following an intention-to-treat approach, we compared the mean percent weight loss at 24 months by race-gender subgroups using repeated-measures, mixed-effects models. Everyone lost weight in the active interventions however, weight loss differed by race and gender. white and Black men had similar results for both interventions (white: in-person (-7.6%) remote (-7.4%); Black: in-person (-4.7%) remote (-4.4%)). In contrast, white women lost more weight with the in-person intervention (in-person (-7.2%) compared to the remote (-4.4%)), whereas Black women lost less weight in the in-person group compared to the remote intervention at 24 months (-2.0% vs. -3.0%, respectively; p for interaction <.001). We found differences between the effectiveness of the 2 weight loss interventions-in-person or remote-in white and Black women at 24 months. Future studies should consider intervention modality when designing weight loss interventions for women.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e12670Informations de copyright
© 2024 The Authors. Clinical Obesity published by John Wiley & Sons Ltd on behalf of World Obesity Federation.
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