{"id":13238,"date":"2023-04-17T00:00:00","date_gmt":"2023-04-17T04:00:00","guid":{"rendered":"https:\/\/icesontario.wpengine.com\/publications\/journal-articles\/morbidity-and-mortality-of-newborns-born-to-immigrant-and-nonimmigrant-females-residing-in-low-income-neighbourhoods\/"},"modified":"2025-09-23T09:16:52","modified_gmt":"2025-09-23T13:16:52","slug":"morbidity-and-mortality-of-newborns-born-to-immigrant-and-nonimmigrant-females-residing-in-low-income-neighbourhoods","status":"publish","type":"journal_article","link":"https:\/\/www.ices.on.ca\/fr\/publications\/journal-articles\/morbidity-and-mortality-of-newborns-born-to-immigrant-and-nonimmigrant-females-residing-in-low-income-neighbourhoods\/","title":{"rendered":"Morbidity and mortality of newborns born to immigrant and nonimmigrant females residing in low-income neighbourhoods"},"content":{"rendered":"<p><strong>Background<\/strong> \u2014 Living in low-income neighbourhoods and being an immigrant are each independently associated with adverse neonatal outcomes, but it is unknown if disparities exist in the neonatal period for children of immigrant and nonimmigrant females living in low-income areas. We sought to compare the risk of severe neonatal morbidity and mortality (SNMM) between newborns of immigrant and nonimmigrant mothers who resided in low-income neighbourhoods.<\/p>\n<p><strong>Methods<\/strong> \u2014 This population-based cohort study used administrative data for females residing in low-income urban neighbourhoods in Ontario, who had an in-hospital, singleton live birth at 20\u201342&nbsp; weeks\u2019 gestation, from 2002 to 2019. We defined immigrant status as nonrefugee immigrant or nonimmigrant, further detailed by country of birth and duration of residence in Ontario. The primary outcome was a SNMM composite (with 16 diagnoses, including neonatal death and 7 neonatal procedures as indicators), arising within 0\u201327 days after birth. We estimated relative risks (RRs) and 95% confidence intervals (CIs) using modified Poisson regression with generalized estimating equations.<\/p>\n<p><strong>Results<\/strong> \u2014 Our cohort included 148 050 and 266 191 live births among immigrant and nonimmigrant mothers, respectively. Compared with newborns of nonimmigrant females, SNMM was less frequent among newborns of immigrant females (49.7 v. 65.6 per 1000 live births),&nbsp;with an adjusted RR of 0.76 (95% CI 0.74 to 0.79). The most frequent SNMM indicator was receipt of ventilatory support. Relative to neonates of nonimmigrant females, the risk of SNMM was highest&nbsp;among those of immigrants from Jamaica (adjusted RR 1.14, 95% CI 1.05&nbsp;to 1.23) and Ghana (adjusted RR 1.20, 95% CI 1.05 to 1.38), and lowest among those of immigrants from China (adjusted RR 0.44, 95% CI 0.40 to 0.48). Among immigrants, the risk of SNMM declined with shorter duration of residence before the index birth.<\/p>\n<p><strong>Interpretation<\/strong> \u2014 Within low-income urban areas, newborns of immigrant&nbsp;females had an overall lower risk of SNMM than those of nonimmigrant&nbsp;females, with considerable variation by maternal birthplace and duration of residence. Initiatives should focus on improving preconception health and perinatal care within subgroups of females residing&nbsp; in low-income neighbourhoods.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Background \u2014 Living in low-income neighbourhoods and being an immigrant are each independently associated with adverse neonatal outcomes, but it is unknown if disparities exist in the neonatal period for children of immigrant and nonimmigrant females living in low-income areas. We sought to compare the risk of severe neonatal morbidity and mortality (SNMM) between newborns [&hellip;]<\/p>\n","protected":false},"template":"","migration-helper-automated":[],"migration-manual":[],"topic":[19,26,18],"migration-helper-qa-sample-set":[],"class_list":["post-13238","journal_article","type-journal_article","status-publish","hentry","topic-marginalized-populations","topic-maternity-and-neonatal-care","topic-racialized-communities"],"acf":{"citation":"Jairam JA, Vigod SN, Siddiqi A, Guan J, Boblitz A, Wang X, O\u2019Campo P, Ray JG. <em>CMAJ<\/em>. 2023; 195:E537-47. Epub 2023 Apr 17.","source_url":"https:\/\/www.cmaj.ca\/content\/195\/15\/E537","ices_scientist":[1338,1116,1307],"site":[6733],"research_program":[6740],"news_release":"","journal_article":"","atlas":"","research_report":"","infographic":"","video":"","downloads":null,"links":null,"sitecore_item_id":"14AFB0F2-862F-4543-B0B6-DE73D9073EA5","sitecore_item_name":"Morbidity-and-mortality-of-newborns-born-to-immigrant-and-nonimmigrant-females","sitecore_field_values":"{\r\n  \"Title\": \"Morbidity and mortality of newborns born to immigrant and nonimmigrant females residing in low-income neighbourhoods\",\r\n  \"Short title\": \"Morbidity and mortality of newborns\",\r\n  \"Summary\": \"This study found that within low-income urban areas, newborns of immigrant females had an overall lower risk of severe neonatal morbidity and mortality than those of nonimmigrant females.\",\r\n  \"Citation\": \"<p>Jairam JA, Vigod SN, Siddiqi A, Guan J, Boblitz A, Wang X, O&rsquo;Campo P, Ray JG. <em>CMAJ<\/em>. 2023; 195:E537-47. Epub 2023 Apr 17. DOI: <a href=\"https:\/\/doi.org\/10.1503\/cmaj.221711\" title=\"opens external link\">https:\/\/doi.org\/10.1503\/cmaj.221711<\/a><\/p>\",\r\n  \"Abstract\": \"<p><strong>Background<\/strong> &mdash; Living in low-income neighbourhoods and being an immigrant are each independently associated with adverse neonatal outcomes, but it is unknown if disparities exist in the neonatal period for children of immigrant and nonimmigrant females living in low-income areas. We sought to compare the risk of severe neonatal morbidity and mortality (SNMM) between newborns of immigrant and nonimmigrant mothers who resided in low-income neighbourhoods.<\/p>n<p><strong>Methods<\/strong> &mdash; This population-based cohort study used administrative data for females residing in low-income urban neighbourhoods in Ontario, who had an in-hospital, singleton live birth at 20&ndash;42&nbsp; weeks&rsquo; gestation, from 2002 to 2019. We defined immigrant status as nonrefugee immigrant or nonimmigrant, further detailed by country of birth and duration of residence in Ontario. The primary outcome was a SNMM composite (with 16 diagnoses, including neonatal death and 7 neonatal procedures as indicators), arising within 0&ndash;27 days after birth. We estimated relative risks (RRs) and 95% confidence intervals (CIs) using modified Poisson regression with generalized estimating equations.<\/p>n<p><strong>Results<\/strong> &mdash; Our cohort included 148 050 and 266 191 live births among immigrant and nonimmigrant mothers, respectively. Compared with newborns of nonimmigrant females, SNMM was less frequent among newborns of immigrant females (49.7 v. 65.6 per 1000 live births),&nbsp;with an adjusted RR of 0.76 (95% CI 0.74 to 0.79). The most frequent SNMM indicator was receipt of ventilatory support. Relative to neonates of nonimmigrant females, the risk of SNMM was highest&nbsp;among those of immigrants from Jamaica (adjusted RR 1.14, 95% CI 1.05&nbsp;to 1.23) and Ghana (adjusted RR 1.20, 95% CI 1.05 to 1.38), and lowest among those of immigrants from China (adjusted RR 0.44, 95% CI 0.40 to 0.48). Among immigrants, the risk of SNMM declined with shorter duration of residence before the index birth.<\/p>n<p><strong>Interpretation<\/strong> &mdash; Within low-income urban areas, newborns of immigrant&nbsp;females had an overall lower risk of SNMM than those of nonimmigrant&nbsp;females, with considerable variation by maternal birthplace and duration of residence. Initiatives should focus on improving preconception health and perinatal care within subgroups of females residing&nbsp; in low-income neighbourhoods.<\/p>n<p><a href=\"https:\/\/www.cmaj.ca\/content\/195\/15\/E537\" title=\"opens external link\">View full text<\/a><\/p>\",\r\n  \"ICES Scientists\": \"{7044C4BC-3501-44A2-8F5B-DB6E2ACD12A6}|{BF772976-8535-47C9-B4B5-A9BE2045544C}|{E48A71D9-5B86-4994-AA92-DBDF5D73ABD9}\",\r\n  \"Posted Date\": \"20230417T000000\",\r\n  \"Show on Publications Landing Page\": \"1\",\r\n  \"In The News\": \"{11AB667F-2061-4F11-8831-153C37484C0C}\"\r\n}","previous_url":"https:\/\/www.ices.on.ca\/Publications\/Journal-Articles\/2023\/April\/Morbidity-and-mortality-of-newborns-born-to-immigrant-and-nonimmigrant-females"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ICES | Morbidity and mortality of newborns born to immigrant and nonimmigrant females residing in 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