{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,17]],"date-time":"2026-04-17T13:43:16Z","timestamp":1776433396828,"version":"3.51.2"},"reference-count":37,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2019,10,16]],"date-time":"2019-10-16T00:00:00Z","timestamp":1571184000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100006937","name":"National Center for Medical Rehabilitation Research","doi-asserted-by":"publisher","award":["K01\u2010HD086290"],"award-info":[{"award-number":["K01\u2010HD086290"]}],"id":[{"id":"10.13039\/100006937","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100006937","name":"National Center for Medical Rehabilitation Research","doi-asserted-by":"publisher","award":["P2CHD065702"],"award-info":[{"award-number":["P2CHD065702"]}],"id":[{"id":"10.13039\/100006937","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100006937","name":"National Center for Medical Rehabilitation Research","doi-asserted-by":"publisher","award":["R03HD096372"],"award-info":[{"award-number":["R03HD096372"]}],"id":[{"id":"10.13039\/100006937","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000057","name":"National Institute of General Medical Sciences","doi-asserted-by":"publisher","award":["U54GM115677"],"award-info":[{"award-number":["U54GM115677"]}],"id":[{"id":"10.13039\/100000057","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000049","name":"National Institute on Aging","doi-asserted-by":"publisher","award":["R03AG060345"],"award-info":[{"award-number":["R03AG060345"]}],"id":[{"id":"10.13039\/100000049","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100006545","name":"National Institute on Minority Health and Health Disparities","doi-asserted-by":"publisher","award":["R01MD010355"],"award-info":[{"award-number":["R01MD010355"]}],"id":[{"id":"10.13039\/100006545","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["agsjournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J American Geriatrics Society"],"published-print":{"date-parts":[[2020,2]]},"abstract":"<jats:sec>\n                    <jats:title>OBJECTIVES<\/jats:title>\n                    <jats:p>We assessed the characteristics of older Mexican American enrollees in traditional fee\u2010for\u2010service (FFS) and Medicare Advantage (MA) plans and the factors associated with disenrollment from FFS and enrollment in MA plans.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>DESIGN<\/jats:title>\n                    <jats:p>Longitudinal study linked with Medicare claims data.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>SETTING<\/jats:title>\n                    <jats:p>The Hispanic Established Populations for the Epidemiologic Study of the Elderly.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>PARTICIPANTS<\/jats:title>\n                    <jats:p>Community\u2010dwelling Mexican American older adults (N = 1455).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>MEASUREMENTS<\/jats:title>\n                    <jats:p>We examined insurance status using the Medicare Beneficiary Summary File and estimated the association of sociodemographic and clinical factors with insurance plan switching.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>Among Mexican American older adults, FFS enrollees were more likely to be born in Mexico, speak Spanish, have lower levels of education, and have more disability than MA enrollees. Older adults with a larger number of limitations of instrumental activities of daily living (odds ratio [OR] = .50; 95% confidence interval [CI] = .26\u2010.98) and more social support (OR = .70; 95% CI = .45\u2010.98) were less likely to switch from FFS to MA compared with older adults with no limitations and less social support. Additionally, older adults living in counties with a greater number of MA plans were more likely to switch from FFS to MA (OR = 2.1; 95% CI = 1.45\u20103.16), compared with counties with a lower number of MA plans. In counties with a higher number of MA plans, older adults with more social support had lower odds of switching from FFS to MA (OR = .48; 95% CI = .28\u2010.82) compared with older adults with less social support.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSION<\/jats:title>\n                    <jats:p>\n                      Compared with those enrolled in MA, older Mexican American adults enrolled in Medicare FFS are more socioeconomically disadvantaged and more likely to demonstrate poor health status. Stronger social support and increased physical limitations were strongly associated with less frequent switching from FFS to MA plans. Additionally, increased availability of MA plans at the county level is a significant driver of enrollment in MA plans.\n                      <jats:bold>J Am Geriatr Soc 68:313\u2013320, 2020<\/jats:bold>\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jgs.16202","type":"journal-article","created":{"date-parts":[[2019,10,16]],"date-time":"2019-10-16T18:07:09Z","timestamp":1571249229000},"page":"313-320","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Social and Health\u2010Related Factors Associated with Enrollment in Medicare Advantage Plans in Older Adults"],"prefix":"10.1111","volume":"68","author":[{"given":"Amit","family":"Kumar","sequence":"first","affiliation":[{"name":"College of Health and Human Services Northern Arizona University  Flagstaff Arizona"},{"name":"Center for Health Equity Research Northern Arizona University  Flagstaff Arizona"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5623-9609","authenticated-orcid":false,"given":"Maricruz","family":"Rivera\u2010Hernandez","sequence":"additional","affiliation":[{"name":"Department of Health Services, Policy &amp; Practice Brown University School of Public Health  Providence Rhode Island"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Amol M.","family":"Karmarkar","sequence":"additional","affiliation":[{"name":"Department of Physical Medicine and Rehabilitation Virginia Commonwealth University  Richmond Virginia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lin\u2010Na","family":"Chou","sequence":"additional","affiliation":[{"name":"Department of Preventive Medicine and Community Health University of Texas Medical Branch  Galveston Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yong\u2010Fang","family":"Kuo","sequence":"additional","affiliation":[{"name":"Department of Preventive Medicine and Community Health University of Texas Medical Branch  Galveston Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Julie A.","family":"Baldwin","sequence":"additional","affiliation":[{"name":"College of Health and Human Services Northern Arizona University  Flagstaff Arizona"},{"name":"Center for Health Equity Research Northern Arizona University  Flagstaff Arizona"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Orestis A.","family":"Panagiotou","sequence":"additional","affiliation":[{"name":"Department of Health Services, Policy &amp; Practice Brown University School of Public Health  Providence Rhode Island"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert E.","family":"Burke","sequence":"additional","affiliation":[{"name":"Center for Health Equity Research and Promotion Corporal Crescenz VA Medical Center  Philadelphia Pennsylvania"},{"name":"Division of General Internal Medicine University of Pennsylvania Perelman School of Medicine  Philadelphia Pennsylvania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kenneth J.","family":"Ottenbacher","sequence":"additional","affiliation":[{"name":"Department of Preventive Medicine and Community Health University of Texas Medical Branch  Galveston Texas"},{"name":"Division of Rehabilitation Sciences University of Texas Medical Branch  Galveston Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2019,10,16]]},"reference":[{"key":"e_1_2_6_2_1","volume-title":"Medicare Advantage 2017 Spotlight: Enrollment Market Update","author":"Jacobson J","year":"2017"},{"key":"e_1_2_6_3_1","volume-title":"Medicare Advantage Demographics Report","author":"America's Health Insurance Plans","year":"2015"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMp0810149"},{"key":"e_1_2_6_5_1","doi-asserted-by":"crossref","unstructured":"GerusoM LaytonT.Upcoding: Evidence from Medicare on squishy risk adjustment. 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