{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T06:44:50Z","timestamp":1792133090062,"version":"4.4.0"},"reference-count":41,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T00:00:00Z","timestamp":1792022400000},"content-version":"vor","delay-in-days":14,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T00:00:00Z","timestamp":1790812800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Health Services Research"],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To compare health care utilization between Medicare Advantage (MA) and Traditional Medicare (TM) beneficiaries, stratified by Alzheimer's disease and related dementias (ADRD) status.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Setting and Design<\/jats:title>\n                    <jats:p>Repeated cross\u2010sectional observational analysis of community\u2010dwelling Medicare beneficiaries aged \u2265\u200965\u2009years continuously enrolled in MA or TM. Eight self\u2010 or proxy\u2010reported binary utilization outcomes over a 12\u2010month reference period were estimated by survey\u2010weighted linear probability models stratified by ADRD status.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Data Sources and Analytic Sample<\/jats:title>\n                    <jats:p>\n                      Secondary analysis of pooled 2018\u20132022 Medicare Current Beneficiary Survey (MCBS) public use files (\n                      <jats:italic>N<\/jats:italic>\n                      \u2009=\u200943,995: 974 TM and 954 MA with ADRD; 23,050 TM and 19,017 MA without ADRD), excluding beneficiaries entitled through disability or end\u2010stage renal disease and records with missing covariates. Dual\u2010eligible beneficiaries were retained and dual eligibility included as a covariate. Stabilized inverse probability of treatment weights multiplied by MCBS full\u2010sample weights addressed non\u2010random MA enrollment.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Principal Findings<\/jats:title>\n                    <jats:p>\n                      Among beneficiaries with ADRD, seven of eight adjusted MA\u2009\u2212\u2009TM differences were not statistically significant. Specialist visits were more common among MA beneficiaries with ADRD (5.2 percentage points; 95% CI, \u22120.1 to 10.2). Among beneficiaries without ADRD, MA was associated with lower outpatient hospital visits (\u22122.6; \u22123.7 to \u22121.6) and lower reported need for home health visits (\u22120.9; \u22121.5 to \u22120.3). Effect modification by ADRD status was significant only for specialist visits (interaction 6.3 percentage points;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.004).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Adjusted health care utilization was broadly comparable between MA and TM for beneficiaries with ADRD, with the exception of higher specialist use in MA. Among beneficiaries without ADRD, MA was associated with lower outpatient hospital use. Plan\u2010type differences were smaller and fewer for beneficiaries with ADRD.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/1475-6773.70174","type":"journal-article","created":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T05:53:14Z","timestamp":1792129994000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Comparing Health Care Utilization Between Medicare Advantage and Traditional Medicare by Dementia Status: A Propensity\u2010Weighted Analysis"],"prefix":"10.1111","volume":"61","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-8852-3363","authenticated-orcid":false,"given":"Jason M.","family":"Joseph","sequence":"first","affiliation":[{"name":"Department of Epidemiology and Biostatistics Texas A&amp;M School of Public Health  College Station Texas USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9388-927X","authenticated-orcid":false,"given":"Jennifer","family":"Rachel","sequence":"additional","affiliation":[{"name":"Department of Community Medicine Aarupadai Veedu Medical College  Kirumampakkam Puducherry India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5781-5169","authenticated-orcid":false,"given":"Gang","family":"Han","sequence":"additional","affiliation":[{"name":"Department of Epidemiology and Biostatistics Texas A&amp;M School of Public Health  College Station Texas USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8232-9285","authenticated-orcid":false,"given":"Matthew Lee","family":"Smith","sequence":"additional","affiliation":[{"name":"Department of Applied Health Science School of Public Health, Indiana University \u2013 Bloomington  Bloomington Indiana USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,10,15]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1002\/alz.70235"},{"issue":"4","key":"e_1_2_9_3_1","doi-asserted-by":"crossref","first-page":"120","DOI":"10.1093\/ppar\/prae020","article-title":"National Institute on Aging's Critical Support of Alzheimer's Disease and Related Dementias Research","volume":"34","author":"Grabowski D. 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