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Sociodemographic, Clinical, and Psychosocial Predictors of Short- and Long-term Study Retention in the Diabetes Prevention Program (DPP) Outcomes Study (DPPOS)

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Le résumé fourni par la source

OBJECTIVE: Success of longitudinal studies depends on retention of participants. We examined characteristics as predictors of retention among participants with prediabetes and type 2 diabetes (T2D) in the Diabetes Prevention Program (DPP) and the follow-up DPP Outcomes Study. RESEARCH DESIGN AND METHODS: A total of 3,234 adults at high risk of T2D joined the DPP (1996-1999, mean age 51 ± 10 years). They were randomized to lifestyle, metformin, or placebo intervention, and then followed through 2020. Logistic regression models estimated the association between baseline sociodemographic, clinical and psychosocial characteristics (life events, family functioning, social support), and short-term retention (∼3 years). Cox proportional hazards models, censoring at death, estimated the association between baseline and time-varying characteristics and time to dropout over the entire 20 years of follow-up. RESULTS: Among surviving participants (n = 3,218), 93% were retained after 3 years, and 75% of those surviving remained engaged over 20 years. Younger age was associated with dropout during DPP and over 20 years of follow-up. Female sex, non-White race and ethnicity, employment, and lack of baseline depressive symptoms were associated with better long-term retention. Over time, better health state (SF-36) (hazard ratio [HR]: 0.89 per 0.1 point; 95% CI: 0.83-0.95) was associated with retention. Greater BMI (HR: 1.06 per 5 kg/m2; 95% CI: 1.00-1.12), more recent life events (HR: 1.08; 95% CI: 1.02-1.14), and depressive symptoms (HR: 1.11 per 5 points; 95% CI: 1.05-1.18) were associated with reduced retention. Among adults 45-59 years of age at baseline, development of T2D was associated with better retention (HR: 0.75; 95% CI: 0.58-0.97). CONCLUSIONS: Twenty-year retention of a racially and geographically diverse cohort with prediabetes is possible. Retention was associated with age, psychosocial factors, T2D development, and BMI.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Sociodemographic, Clinical, and Psychosocial Predictors of Short- and Long-term Study Retention in the Diabetes Prevention Program (DPP) Outcomes Study (DPPOS)
Date Crossref
20/06/2025
Éditeur
American Diabetes Association
Type
journal-article

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Les sujets associés

Diabetes, Cardiovascular Risks, and LipoproteinsDiabetes Management and EducationDiabetes Management and Research

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