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Subgroup and sensitivity analyses were employed to compare the prevalence across the groups as well as to identify the source of heterogeneities. The Joanna Briggs Institute\u2019s quality assessment checklist was used to measure the study quality. Cochran\u2019s Q and the I\n                      <jats:sup>2<\/jats:sup>\n                      test were used to assess heterogeneity between the studies.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Forty publications, including 17\u2009215 participants, were included in the final analysis. This meta-analysis demonstrated considerably higher prevalence rates of depressive symptoms 46.72% (95% CI 37.77% to 55.90%), dysthymia 8.25% (95% CI 4.79% to 11.86%), as well as MDDs 26.24% (95% CI 21.02% to 32.22%) among homeless people. Our subgroup analysis showed that the prevalence of depressive symptoms was high among younger homeless people (&lt;25 years of age), whereas the prevalence of MDD was high among older homeless people (&gt;50 years of age) when compared with adults (25\u201350 years).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>This review showed that nearly half, one-fourth and one-tenth of homeless people are suffering from depressive symptoms, dysthymia and MDDs, respectively, which are notably higher than the reported prevalence rates in the general population. The findings suggest the need for appropriate mental health prevention and treatment strategies for this population group.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/bmjopen-2020-040061","type":"journal-article","created":{"date-parts":[[2021,2,23]],"date-time":"2021-02-23T11:04:50Z","timestamp":1614078290000},"page":"e040061","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":37,"title":["Systematic review and meta-analysis of the prevalence of depressive symptoms, dysthymia and major depressive disorders among homeless people"],"prefix":"10.1136","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9137-4141","authenticated-orcid":false,"given":"Getinet","family":"Ayano","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Asmare","family":"Belete","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4419-0016","authenticated-orcid":false,"given":"Bereket","family":"Duko","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Light","family":"Tsegay","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Berihun Assefa","family":"Dachew","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2021,2,23]]},"reference":[{"key":"2021022307551924000_11.2.e040061.1","doi-asserted-by":"crossref","unstructured":"Ayano G , Assefa D , Haile K , et al . 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