{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T07:55:13Z","timestamp":1790582113760,"version":"4.1.0"},"reference-count":42,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2026,8,30]],"date-time":"2026-08-30T00:00:00Z","timestamp":1788048000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2026,8,30]],"date-time":"2026-08-30T00:00:00Z","timestamp":1788048000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100011094","name":"Public Health Agency of Canada","doi-asserted-by":"publisher","award":["2425\u2010HQ\u2010000095"],"award-info":[{"award-number":["2425\u2010HQ\u2010000095"]}],"id":[{"id":"10.13039\/100011094","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int J Methods Psych Res"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To compare mental illness prevalence, and agreement between mental illness measures, in home care (HC) and long\u2010term care (LTC) using administrative definitions and Resident Assessment Instrument (RAI)\u2010diagnoses.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Applying a common protocol to linked administrative\u2010RAI datasets in Alberta, Manitoba, and Ontario, Canada, we selected adults receiving HC or LTC between 2012 and 2023. Cross\u2010sectionally, we compared administrative definitions with RAI\u2010diagnoses (depression, anxiety, bipolar disorder and schizophrenia) using kappa, sensitivity, specificity, positive and negative predictive value. We examined discordance\u2010associated factors using multivariable logistic regression.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Depression was the most prevalent mental illness (administrative data, HC: 29%\u201334% of 493,895 people; LTC: 21%\u201351% of 357,117 people). Prevalence estimates were consistently lower using RAI\u2010diagnoses than administrative definitions. Agreement between data sources was moderate for depression (\n                      <jats:italic>k<\/jats:italic>\n                      \u00a0=\u00a00.33\u20130.57) and anxiety disorders (\n                      <jats:italic>k<\/jats:italic>\n                      \u00a0=\u00a00.35\u20130.63). Younger age, dementia, and more physician visits were associated with higher likelihood of discordance between data sources; male sex had a lower likelihood.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>While mental illness prevalence is high in HC and LTC populations, RAI\u2010based estimates are lower than administrative data estimates. Discordance between data sources differs by individual characteristics. Concurrent comparison of RAI\u2010diagnoses and administrative data to a gold standard clinical interview would clarify the optimal surveillance strategy.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/mpr.70105","type":"journal-article","created":{"date-parts":[[2026,8,31]],"date-time":"2026-08-31T04:56:55Z","timestamp":1788152215000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Comparing Administrative Data and Resident Assessment Instrument Data for Mental Health Surveillance in Home Care and Long\u2010Term Care Populations"],"prefix":"10.1002","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1855-5595","authenticated-orcid":false,"given":"Ruth Ann","family":"Marrie","sequence":"first","affiliation":[{"name":"Departments of Medicine and Community Health and Epidemiology Faculty of Medicine Dalhousie University  Halifax Nova Scotia Canada"},{"name":"Nova Scotia Health  Halifax Nova 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