{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,11]],"date-time":"2026-07-11T04:19:28Z","timestamp":1783743568093,"version":"3.55.0"},"reference-count":43,"publisher":"Oxford University Press (OUP)","issue":"6","license":[{"start":{"date-parts":[[2021,4,5]],"date-time":"2021-04-05T00:00:00Z","timestamp":1617580800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"funder":[{"name":"University of Pittsburgh Prevention Research Center","award":["CDC U48 DP005001"],"award-info":[{"award-number":["CDC U48 DP005001"]}]},{"name":"University of Pittsburgh Older Americans Independence Center","award":["P30 AG024827"],"award-info":[{"award-number":["P30 AG024827"]}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2022,7,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background and Objectives<\/jats:title>\n                  <jats:p>The high prevalence of overweight or obesity in older adults is a public health concern because obesity affects health, including the risk of mobility disability.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Research Design and Methods<\/jats:title>\n                  <jats:p>The Mobility and Vitality Lifestyle Program, delivered by community health workers (CHWs), enrolled 303 community-dwelling adults to assess the impact of a 32-session behavioral weight management intervention. Participants completed the program at 26 sites led by 22 CHWs. Participation was limited to people aged 60\u201375 who had a body mass index (BMI) of 27\u201345 kg\/m2. The primary outcome was the performance on the Short Physical Performance Battery (SPPB) over 12 months.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Participants were aged 67.7 (SD 4.1) and mostly female (87%); 22.7% were racial minorities. The mean (SD) BMI at baseline was 34.7 (4.7). Participants attended a median of 24 of 32 sessions; 240 (80.3%) completed the 9- or 13-month outcome assessment. Median weight loss in the sample was 5% of baseline body weight. SPPB total scores improved by +0.31 units (p &amp;lt; .006), gait speed by +0.04 m\/s (p &amp;lt; .0001), and time to complete chair stands by \u22120.95 s (p &amp;lt; .0001). Weight loss of at least 5% was associated with a gain of +0.73 in SPPB scores. Increases in activity (by self-report or device) were not independently associated with SPPB outcomes but did reduce the effect of weight loss.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Discussion and Implications<\/jats:title>\n                  <jats:p>Promoting weight management in a community group setting may be an effective strategy for reducing the risk of disability in older adults.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/geront\/gnab048","type":"journal-article","created":{"date-parts":[[2021,4,1]],"date-time":"2021-04-01T19:20:54Z","timestamp":1617304854000},"page":"931-941","source":"Crossref","is-referenced-by-count":9,"title":["Weight Loss through Lifestyle Intervention Improves Mobility in Older Adults"],"prefix":"10.1093","volume":"62","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6786-9956","authenticated-orcid":false,"given":"Steven 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