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In the present study, we investigated whether ELA is associated with iron deficiency in infants receiving no iron supplementation. This study is a secondary analysis of extant data collected in the 1990s; participants were healthy infants from working-class communities in Santiago, Chile (<jats:italic>N<\/jats:italic> = 534, 45.5% female). We measured stressful life events, maternal depression, and low home support for child development during infancy and assessed iron status when the infant was 12 months old. Slightly more than half of the infants were iron-deficient (51%), and 25.8% were iron-deficient anemic at 12 months. Results indicated that ELA was associated with lower iron levels and iron deficiency at 12 months. The findings are consistent with animal and human prenatal models of stress and iron status and provide evidence of the association between postnatal ELA and iron status in humans. The findings also highlight a nutritional pathway by which ELA may impact development and present a nutritionally-focused avenue for future research on ELA and psychopathology.<\/jats:p>","DOI":"10.1017\/s0954579422000517","type":"journal-article","created":{"date-parts":[[2022,6,9]],"date-time":"2022-06-09T08:54:45Z","timestamp":1654764885000},"page":"1856-1867","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":7,"title":["Early-life adversity is associated with poor iron status in infancy"],"prefix":"10.1017","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0056-5995","authenticated-orcid":false,"given":"Brie M.","family":"Reid","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patricia","family":"East","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Estela","family":"Blanco","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2857-0817","authenticated-orcid":false,"given":"Jenalee R.","family":"Doom","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Raquel A.","family":"Burrows","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paulina","family":"Correa-Burrows","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Betsy","family":"Lozoff","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sheila","family":"Gahagan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[2022,6,9]]},"reference":[{"key":"S0954579422000517_ref49","doi-asserted-by":"publisher","DOI":"10.1093\/ajcn\/84.6.1412"},{"key":"S0954579422000517_ref73","volume-title":"Multiple Imputation for Nonresponse in Surveys","year":"1987"},{"key":"S0954579422000517_ref90","doi-asserted-by":"crossref","first-page":"190","DOI":"10.1056\/NEJM199307153290308","article-title":"Iron deficiency in infancy and childhood","volume":"329","author":"Oski","year":"1993","journal-title":"New England Journal of Medicine"},{"key":"S0954579422000517_ref3","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.nutr.23.020102.075739"},{"key":"S0954579422000517_ref48","doi-asserted-by":"publisher","DOI":"10.1016\/j.spen.2006.08.004"},{"key":"S0954579422000517_ref57","doi-asserted-by":"publisher","DOI":"10.1037\/0735-7044.114.5.950"},{"key":"S0954579422000517_ref2","doi-asserted-by":"publisher","DOI":"10.1515\/jpm-2012-0125"},{"key":"S0954579422000517_ref47","doi-asserted-by":"publisher","DOI":"10.1542\/peds.112.4.846"},{"key":"S0954579422000517_ref88","doi-asserted-by":"publisher","DOI":"10.1038\/pr.2016.20"},{"key":"S0954579422000517_ref87","first-page":"620","article-title":"Effect of prenatal iron deficiency on myelination in rat pups","volume":"125","author":"Yu","year":"1986","journal-title":"American Journal of Pathology"},{"key":"S0954579422000517_ref63","doi-asserted-by":"publisher","DOI":"10.1007\/s12031-019-01276-1"},{"key":"S0954579422000517_ref25","doi-asserted-by":"publisher","DOI":"10.1111\/cdev.13266"},{"key":"S0954579422000517_ref45","first-page":"367","article-title":"[The effect of iron deficiency anemia on the auditory brainstem response in infant]","volume":"74","author":"Li","year":"1994","journal-title":"Zhonghua Yi Xue Za Zhi"},{"key":"S0954579422000517_ref36","first-page":"1","volume-title":"Handbook of Child Psychology and Developmental Science","author":"Gunnar","year":"2015"},{"key":"S0954579422000517_ref86","first-page":"197","article-title":"Long lasting effects of infancy iron deficiency--preliminary results","volume":"71","author":"Yehuda","year":"2006","journal-title":"Journal of Neural Transmission. 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