{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,10]],"date-time":"2026-11-10T08:15:30Z","timestamp":1794298530431,"version":"4.9.0"},"reference-count":31,"publisher":"Cambridge University Press (CUP)","issue":"2","license":[{"start":{"date-parts":[[2023,8,17]],"date-time":"2023-08-17T00:00:00Z","timestamp":1692230400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":["cambridge.org"],"crossmark-restriction":true},"short-container-title":["Br J Nutr"],"published-print":{"date-parts":[[2024,1,28]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>To analyse the association of socio-demographic and health factors with vitamin D insufficiency and 25-hydroxyvitamin D (25(OH)D) concentration in Brazilian children aged 6\u201359 months. Data from 8145 children from the Brazilian National Survey on Child Nutrition (ENANI-2019) were analysed. The serum concentration of 25(OHD)D was measured using a chemiluminescent immunoassay. The prevalence of vitamin D insufficiency (25(OH)D &lt; 50 nmol\/l) and 95 % CI was calculated. Logistic and linear regression models were used to identify the variables associated with vitamin D insufficiency and serum 25(OH)D concentrations, respectively. The mean 25(OH)D concentration was 98\u00b76 \u00b1 36\u00b70 nmol\/l, and 4\u00b73 % of the children presented vitamin D insufficiency. Children aged 6\u201323 months (OR = 2\u00b723; 95 % CI 1\u00b752, 3\u00b726); belonging to Southeast (OR = 5\u00b755; 95 % CI 2\u00b734, 13\u00b717) and South (OR = 4\u00b757; 95 % CI 1\u00b777, 11\u00b784) regions; the second tertile of the National Wealth Score (OR = 2\u00b714; 95 % CI 1\u00b716, 3\u00b791) and winter (OR = 5\u00b782; 95 % CI 2\u00b767, 12\u00b771) and spring (OR = 4\u00b784; 95 % CI 2\u00b717, 10\u00b780) seasons of blood collection were associated with a higher chance of vitamin D insufficiency. Female sex (<jats:italic>\u03b2<\/jats:italic> = \u22125\u00b766, 95 % CI \u2212 7\u00b781, \u22123\u00b751), urban location (<jats:italic>\u03b2<\/jats:italic> = \u221214\u00b719, 95 % CI \u221221\u00b70, \u22127\u00b722) and no vitamin D supplement use (<jats:italic>\u03b2<\/jats:italic> = \u22126\u00b701, 95 % CI \u22129\u00b764, \u22122\u00b739) were inversely associated with serum 25(OH)D concentration. The age of children and the Brazilian geographical region of household location were the main predictors of vitamin D insufficiency. In Brazil, vitamin D insufficiency among children aged 6\u201359 months is low and is not a relevant public health problem.<\/jats:p>","DOI":"10.1017\/s0007114523001836","type":"journal-article","created":{"date-parts":[[2023,8,17]],"date-time":"2023-08-17T08:37:31Z","timestamp":1692261451000},"page":"312-320","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":5,"title":["Prevalence and predictors of vitamin D insufficiency in Brazilian children under 5 years of age: Brazilian National Survey on Child Nutrition (ENANI-2019)"],"prefix":"10.1017","volume":"131","author":[{"given":"Paula","family":"Normando","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"In\u00eas Rugani Ribeiro","family":"de Castro","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fl\u00e1via Fioruci","family":"Bezerra","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Talita Lelis","family":"Berti","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Neilane","family":"Bertoni","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elisa Maria de Aquino","family":"Lacerda","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nadya Helena","family":"Alves-Santos","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maiara Brusco","family":"de Freitas","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8603-9077","authenticated-orcid":false,"given":"Gilberto","family":"Kac","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[2023,8,17]]},"reference":[{"key":"S0007114523001836_ref22","doi-asserted-by":"publisher","DOI":"10.1007\/s00198-009-0954-6"},{"key":"S0007114523001836_ref18","unstructured":"18. 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