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Observational studies published since January 2010 that documented preterm birth outcomes among Pacific Islanders in the United States and the US\u2010Affiliated Pacific Islands were eligible for inclusion. Outcomes of interest included preterm birth prevalence, risk compared with white women, and risk factors for preterm birth among Pacific Islanders.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Fourteen of the 3183 screened articles were included in meta\u2010analyses. Random\u2010effects models were used for pooled estimates with 95% confidence intervals. The pooled prevalence of preterm birth among Pacific Islanders was 11.2%, 95% CI: 9.3%\u201013.6%. Marshallese women had the highest pooled prevalence (20.7%, 95% CI 18.6%\u201023.0%) among Pacific Islander subgroups. Compared with white women, Pacific Islander women had higher odds of experiencing preterm birth (OR\u00a0=\u00a01.40, 95% CI: 1.28\u20101.53). Four risk factors for preterm birth could be explored with the data available: hypertension, diabetes, smoking, and pre\u2010pregnancy body mass index; hypertension and diabetes significantly increased the odds of preterm birth.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Existing literature suggests that United States Pacific Islanders were more likely to experience preterm birth than white women, although the pooled prevalence varied by Pacific Islander subgroup. Data support the need for disaggregation of Pacific Islanders in future research and argue for examination of subgroup\u2010specific outcomes to address perinatal health disparities.<\/jats:p><\/jats:sec>","DOI":"10.1111\/birt.12713","type":"journal-article","created":{"date-parts":[[2023,4,15]],"date-time":"2023-04-15T06:29:11Z","timestamp":1681540151000},"page":"287-299","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Preterm birth among Pacific Islanders in the United States and the <scp>US\u2010affiliated<\/scp> Pacific Islands: A systematic review and meta\u2010analysis"],"prefix":"10.1111","volume":"50","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3278-196X","authenticated-orcid":false,"given":"Bohao","family":"Wu","sequence":"first","affiliation":[{"name":"Department of Chronic Disease Epidemiology Yale University School of Public Health  New Haven Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6763-2163","authenticated-orcid":false,"given":"Kendall J.","family":"Arslanian","sequence":"additional","affiliation":[{"name":"Department of Social and Behavioral Sciences Yale University School of Public Health  New Haven Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5397-2303","authenticated-orcid":false,"given":"Kate","family":"Nyhan","sequence":"additional","affiliation":[{"name":"Harvey Cushing\/John Hay Whitney Medical Library Yale University  Connecticut New Haven USA"},{"name":"Department of Environmental Health Sciences Yale University School of Public Health  New Haven Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rachel","family":"Suss","sequence":"additional","affiliation":[{"name":"Yale College Yale University  New Haven Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Madison","family":"Mahoney","sequence":"additional","affiliation":[{"name":"Yale College Yale University  New Haven Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4033-6241","authenticated-orcid":false,"given":"Pearl A.","family":"McElfish","sequence":"additional","affiliation":[{"name":"College of Medicine University of Arkansas for Medical Sciences Northwest  Fayetteville Arkansas USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bethel T.","family":"Muasau\u2010Howard","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Lyndon B Johnson Tropical Medical Center  Pago Pago American Samoa"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alec","family":"Ekeroma","sequence":"additional","affiliation":[{"name":"National University of Samoa  Apia Samoa"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2601-3454","authenticated-orcid":false,"given":"Nicola L.","family":"Hawley","sequence":"additional","affiliation":[{"name":"Department of Chronic Disease Epidemiology Yale University School of Public Health  New Haven Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2023,4,14]]},"reference":[{"key":"e_1_2_9_2_1","unstructured":"World Health Organization.Preterm birth. 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