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Supplemental material, sj-docx-1-hpp-10.1177_15248399231162377 for Program Factors Affecting Weight Loss and Mobility in Older Adults: Evidence From the Mobility and Vitality Lifestyle Program (MOVE UP) by Xinran Liu, Lori A. Kieffer, Jennifer King, Brandi Boak, Janice C. Zgibor, Kenneth J. Smith, Lora E. Burke, John M. Jakicic, Linda N. Semler, Michelle E. Danielson, Anne B. Newman, Elizabeth M. Venditti and Steven M. Albert in Health Promotion Practice

The MOVE UP behavioral activation program, consisting of 32 sessions over 12 months, was delivered by trained community health workers (CHWs) at 26 sites. 300 participants completed a mean of 21.5 sessions. Change in body weight was associated with site attendance: among 9 sites with mean attendance < 70%, participants lost a mean of 5.3%; among 12 sites with 70-80% attendance, 5.6%; and among 5 sites with > 80% attendance, 9.2%. Completion of activity and diet logs followed a similar pattern (34.9%, 56.2%, and 72.7%, respectively), as did retention for 13-month outcome assessment (70%, 85%, and 88%, respectively). CHWs at the high-performing sites were more likely to have prior or current employment in weight management and fitness (90% vs. 41.7% and 44.4%), but did not differ in education, age, race, or employment by sites. CHW experience, not sociodemographics, affected outcomes.