Elizabeth M Venditti1,2, Marsha D Marcus1, Rachel G Miller2, Vincent C Arena3, Susan L Greenspan4,5, Bonny Rockette-Wagner2. 1. Department of Psychiatry, University of Pittsburgh School of Medicine, Pennsylvania. 2. Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pennsylvania. 3. Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pennsylvania. 4. Department of Endocrinology, University of Pittsburgh School of Medicine, Pennsylvania. 5. Department of Geriatrics, University of Pittsburgh School of Medicine, Pennsylvania.
Abstract
BACKGROUND: Group lifestyle sessions with phone maintenance could improve weight, health, and function in vulnerable older adults. METHODS:Community-dwelling adults (N = 322) with body mass index (BMI, kg/m2) ≥27 and additional risk factors received 12 one-hour in-personbehavioral weight management group sessions then were randomized to 8 half-hour telephone sessions (n = 162) or newsletter control (n = 160) from 4 to 12 months with no treatment contact thereafter. Primary outcome was 0- to 12-month weight change. Cardiometabolic, short physical performance battery (SPPB), and self-reported activity changes were assessed at 12 and 24 months. RESULTS: At baseline, the mean (SD) age was 71.2 (4.3) and BMI was 33.8 (5.1). Participants were 77% women, 13% Black, 85% retired, averaging 4 medical conditions, and taking blood pressure (67.4%) and lipid-lowering (51.6%) medications. At 12 months, a greater proportion of the phone group (66.0%) achieved ≥5% weight loss compared with newsletter control (53.2%; p = .02). Mean (95% CI) weight loss was greater for phone (-6.6 kg [-7.5, -5.8]) than newsletter (-5.1 kg [-7.2, -3.0]); p = .01. Modest lipid, glucose, and blood pressure improvements were found, but did not differ significantly between groups. Small SPPB and activity improvements were maintained at 12 and 24 months in both groups. CONCLUSIONS: Brief phone contacts compared to newsletters enhanced weight loss maintenance among older high-risk adults at 1 year, but not cardiometabolic outcomes. Modest functional improvements were observed in both. Lower-intensity maintenance contacts (phone or newsletter) for weight, health, and physical function in older adults warrant further study. CLINICAL TRIALS REGISTRATION NUMBER: NCT03192475.
RCT Entities:
BACKGROUND: Group lifestyle sessions with phone maintenance could improve weight, health, and function in vulnerable older adults. METHODS: Community-dwelling adults (N = 322) with body mass index (BMI, kg/m2) ≥27 and additional risk factors received 12 one-hour in-person behavioral weight management group sessions then were randomized to 8 half-hour telephone sessions (n = 162) or newsletter control (n = 160) from 4 to 12 months with no treatment contact thereafter. Primary outcome was 0- to 12-month weight change. Cardiometabolic, short physical performance battery (SPPB), and self-reported activity changes were assessed at 12 and 24 months. RESULTS: At baseline, the mean (SD) age was 71.2 (4.3) and BMI was 33.8 (5.1). Participants were 77% women, 13% Black, 85% retired, averaging 4 medical conditions, and taking blood pressure (67.4%) and lipid-lowering (51.6%) medications. At 12 months, a greater proportion of the phone group (66.0%) achieved ≥5% weight loss compared with newsletter control (53.2%; p = .02). Mean (95% CI) weight loss was greater for phone (-6.6 kg [-7.5, -5.8]) than newsletter (-5.1 kg [-7.2, -3.0]); p = .01. Modest lipid, glucose, and blood pressure improvements were found, but did not differ significantly between groups. Small SPPB and activity improvements were maintained at 12 and 24 months in both groups. CONCLUSIONS: Brief phone contacts compared to newsletters enhanced weight loss maintenance among older high-risk adults at 1 year, but not cardiometabolic outcomes. Modest functional improvements were observed in both. Lower-intensity maintenance contacts (phone or newsletter) for weight, health, and physical function in older adults warrant further study. CLINICAL TRIALS REGISTRATION NUMBER: NCT03192475.
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