{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,9]],"date-time":"2025-10-09T06:33:14Z","timestamp":1759991594263,"version":"3.37.3"},"reference-count":35,"publisher":"Oxford University Press (OUP)","issue":"1","license":[{"start":{"date-parts":[[2019,8,27]],"date-time":"2019-08-27T00:00:00Z","timestamp":1566864000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"funder":[{"DOI":"10.13039\/100008458","name":"Graduate School of Arts and Sciences","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100008458","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100008064","name":"Georgetown University","doi-asserted-by":"publisher","award":["U19AG051426"],"award-info":[{"award-number":["U19AG051426"]}],"id":[{"id":"10.13039\/100008064","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000049","name":"National Institute on Aging","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000049","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,1,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Objectives<\/jats:title>\n                  <jats:p>This study compares estimates and determinants of within-individual changes in mobility across surveys of older U.S. adults.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>Data come from the Health and Retirement Study (HRS) and the Midlife in the United States (MIDUS) study. Measures of mobility comprise self-reported level of difficulty with walking several blocks, going up several flights of stairs, lifting and carrying 10 pounds, and stooping. Predictors include sociodemographic characteristics and indicators of health and health behaviors. We pool the datasets and estimate weighted lagged dependent variable logistic regression models for each activity, assessing cross-study differences using interaction terms between a survey indicator and relevant variables.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Estimates of declines in mobility differ substantially across surveys for walking, lifting and carrying, and stooping, but there are no between-survey differences in the probability of (not) recovering from a limitation. With the exception of age, determinants of change are similar between studies. For lifting\/carrying and stooping, the age-related increase in developing limitations is less steep at younger ages for HRS respondents than MIDUS respondents, but steeper at older ages.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Discussion<\/jats:title>\n                  <jats:p>To compare estimates of mobility change across surveys, mobility measures would need to be harmonized. Determinants of mobility change, however, are more comparable.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/geronb\/gbz091","type":"journal-article","created":{"date-parts":[[2019,7,24]],"date-time":"2019-07-24T11:23:41Z","timestamp":1563967421000},"page":"209-218","source":"Crossref","is-referenced-by-count":4,"title":["Change in Mobility: Consistency of Estimates and Predictors Across Studies of Older Adults"],"prefix":"10.1093","volume":"76","author":[{"given":"Jennifer C","family":"Cornman","sequence":"first","affiliation":[{"name":"Jennifer C. Cornman Consulting, Granville, Ohio"},{"name":"Jennifer C. Cornman Consulting, Granville, Ohio"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dana A","family":"Glei","sequence":"additional","affiliation":[{"name":"Center for Population and Health, Georgetown University, Washington, D.C"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maxine","family":"Weinstein","sequence":"additional","affiliation":[{"name":"Center for Population and Health, Georgetown University, Washington, D.C"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2019,8,27]]},"reference":[{"key":"2021031906362225500_CIT0001","doi-asserted-by":"crossref","first-page":"881","DOI":"10.1007\/s12603-009-0246-z","article-title":"Gait speed at usual pace as a predictor of adverse outcomes in community-dwelling older people an International Academy on Nutrition and Aging (IANA) Task Force","volume":"13","author":"Abellan van Kan","year":"2009","journal-title":"The Journal of Nutrition, Health & Aging"},{"key":"2021031906362225500_CIT0002","doi-asserted-by":"crossref","first-page":"336","DOI":"10.1016\/j.dhjo.2015.02.003","article-title":"Body weight status and onset of functional limitations in U.S. middle-aged and older adults","volume":"8","author":"An","year":"2015","journal-title":"Disability and Health Journal"},{"key":"2021031906362225500_CIT0003","doi-asserted-by":"crossref","first-page":"502","DOI":"10.1111\/j.1532-5415.2005.00607.x","article-title":"Metabolic syndrome predicts mobility decline in a community-based sample of older adults","volume":"54","author":"Blazer","year":"2006","journal-title":"Journal of the American Geriatrics Society"},{"key":"2021031906362225500_CIT0005","doi-asserted-by":"crossref","first-page":"63","DOI":"10.1093\/oxfordjournals.aje.a009561","article-title":"Predictors of onset of and recovery from mobility difficulty among adults aged 51\u201361 years","volume":"148","author":"Clark","year":"1998","journal-title":"American Journal of Epidemiology"},{"key":"2021031906362225500_CIT0006","doi-asserted-by":"crossref","first-page":"841","DOI":"10.1046\/j.1365-2389.2003.51267.x","article-title":"Is a fall just a fall: Correlates of falling in healthy older persons. 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