{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T12:42:02Z","timestamp":1790944922008,"version":"4.1.0"},"reference-count":30,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2021,9,4]],"date-time":"2021-09-04T00:00:00Z","timestamp":1630713600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Early Intervention Psych"],"published-print":{"date-parts":[[2022,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>With increasing psychiatric hospitalizations among adolescents and constrained hospital resources, there are times when youth are hospitalized in adult inpatient psychiatry units. Evidence on the prevalence of this practice and associated impacts is lacking.<\/jats:p><\/jats:sec><jats:sec><jats:title>Aims<\/jats:title><jats:p>We sought to explore the prevalence, determinants, and outcomes related to the hospitalization of adolescents aged 12\u201317\u2009years on adult inpatient psychiatry units in Ontario.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Using health administrative data, we constructed a cohort of adolescents with an inpatient psychiatric admission in Ontario (2007\u20132011). We classified adolescents as having an admission to an adult psychiatry unit or to other inpatient units. Multivariable regression models were used to estimate prevalence ratios (PR) for factors associated with adult admission, as well as risk ratios (RR) for the impact of adult admission on length of stay, discharge against medical advice, and 30\u2010day readmission.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Over the study period, 22.6% of adolescents with a psychiatric hospitalization (<jats:italic>n<\/jats:italic>\u00a0=\u200916\u2009998) had an admission to an adult psychiatry unit. Older age (16 vs. 15\u2009years: PR\u00a0=\u00a02.27, 95% CI\u00a0=\u00a02.07\u20132.48; 17 vs. 15\u2009years: PR\u00a0=\u00a02.91, 95% CI\u00a0=\u00a02.66\u20133.18), rural residence (PR\u00a0=\u00a01.46, 95% CI\u00a0=\u00a01.38\u20131.55), psychotic (PR\u00a0=\u00a01.25, 95% CI\u00a0=\u00a01.15\u20131.36) or personality disorder (PR\u00a0=\u00a01.59, 95% CI\u00a0=\u00a01.41\u20131.80) diagnoses, and involuntary status (PR\u00a0=\u00a02.18, 95% CI\u00a0=\u00a02.05\u20132.31) were independently associated with adult admission. Adolescents admitted to adult units were more likely to be discharged against medical advice (RR\u00a0=\u00a01.77, 95% CI\u00a0=\u00a01.45\u20132.17).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Nearly one in four adolescent psychiatric admissions occurs on an adult psychiatric unit. These findings help to fill gaps in the prior literature, and highlight the need for further research to inform policy decisions and resource allocation for adolescent inpatient psychiatric care.<\/jats:p><\/jats:sec>","DOI":"10.1111\/eip.13219","type":"journal-article","created":{"date-parts":[[2021,9,4]],"date-time":"2021-09-04T10:28:31Z","timestamp":1630751311000},"page":"752-759","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["The prevalence and impact of adolescent hospitalization to adult psychiatric units"],"prefix":"10.1111","volume":"16","author":[{"given":"Samantha","family":"McRae","sequence":"first","affiliation":[{"name":"Departments of Epidemiology &amp; Biostatistics The University of Western Ontario  London Ontario Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jordan","family":"Edwards","sequence":"additional","affiliation":[{"name":"Departments of Epidemiology &amp; Biostatistics The University of Western Ontario  London Ontario Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kathy N.","family":"Speechley","sequence":"additional","affiliation":[{"name":"Departments of Epidemiology &amp; Biostatistics The University of Western Ontario  London Ontario Canada"},{"name":"Pediatrics, Schulich School of Medicine &amp; Dentistry The University of Western Ontario  London Ontario Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Javeed","family":"Sukhera","sequence":"additional","affiliation":[{"name":"Psychiatry, Schulich School of Medicine &amp; Dentistry The University of Western Ontario  London Ontario Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guangyong","family":"Zou","sequence":"additional","affiliation":[{"name":"Departments of Epidemiology &amp; Biostatistics The University of Western Ontario  London Ontario Canada"},{"name":"Robarts Research Institute  London Ontario Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9843-404X","authenticated-orcid":false,"given":"Kelly K.","family":"Anderson","sequence":"additional","affiliation":[{"name":"Departments of Epidemiology &amp; Biostatistics The University of Western Ontario  London Ontario Canada"},{"name":"Psychiatry, Schulich School of Medicine &amp; Dentistry The University of Western Ontario  London Ontario Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,9,4]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.3109\/10398562.2010.501380"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1176\/ps.2006.57.8.1192"},{"key":"e_1_2_8_4_1","unstructured":"Canadian Institute for Health Information. (2015).Care for children and youth with mental disorders.https:\/\/secure.cihi.ca\/estore\/productFamily.htm?locale=en&pf=PFC2866."},{"key":"e_1_2_8_5_1","unstructured":"Canadian Institute for Health Information. (2021a).Ontario mental health reporting system metadata.https:\/\/www.cihi.ca\/en\/ontario-mental-health-reporting-system-metadata."},{"key":"e_1_2_8_6_1","unstructured":"Canadian Institute for Health Information. (2021b).Indicator library: 30\u2010day readmission for mental illness.https:\/\/indicatorlibrary.cihi.ca\/display\/HSPIL\/30-Day+Readmission+for+Mental+Illness?desktop=true&macroName=table."},{"key":"e_1_2_8_7_1","unstructured":"Children's Commissioner for England. (2007).Pushed into the shadows: Young people's experience of adult mental health facilities.https:\/\/dera.ioe.ac.uk\/18763\/1\/Pushed_into_the_shadows.pdf."},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.3109\/10398562.2011.602079"},{"key":"e_1_2_8_9_1","volume-title":"We've got growing up to do: Transitioning youth from child and adolescent mental health services to adult mental health services","author":"Davidson S.","year":"2011"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/cch.12306"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1177\/0706743715621254"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1037\/0033-2909.118.3.392"},{"key":"e_1_2_8_13_1","unstructured":"Government of Ontario. 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