{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T13:29:48Z","timestamp":1780320588166,"version":"3.54.1"},"reference-count":32,"publisher":"Baishideng Publishing Group Inc.","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["World J Clin Pediatr"],"abstract":"<jats:p>BACKGROUND<\/jats:p>\n          <jats:p>Vitamin D deficiency is a common problem in exclusively breastfed infants, with supplementation recommended by various international medical organizations. However, in Thailand, no advice for routine vitamin D supplementation is available. Thus, this study investigated the prevalence of vitamin D deficiency and its associated factors in exclusively breastfed infants in Bangkok, Thailand.<\/jats:p>\n          <jats:p>AIM<\/jats:p>\n          <jats:p>To investigated the prevalence of vitamin D deficiency and its associated factors in exclusively breastfed infants in Bangkok, Thailand.<\/jats:p>\n          <jats:p>METHODS<\/jats:p>\n          <jats:p>This descriptive observational cross-sectional study assessed 109 4-month-old infants at Charoenkrung Pracharak Hospital from May 2020 to April 2021. The 25-OH vitamin D level of the infants was measured using an electrochemiluminescence binding assay. Vitamin D deficiency was defined as 25-OH level &lt; 20 ng\/mL, with vitamin D insufficiency 20-30 ng\/mL. The sun index and maternal vitamin D supplementation data were collected and analyzed using the independent t -test, univariate logistic regression, and multivariate logistic regression to identify the associated factors.<\/jats:p>\n          <jats:p>RESULTS<\/jats:p>\n          <jats:p>The prevalences of vitamin D deficiency and vitamin D insufficiency were 35.78% and 33.03%, respectively with mean serum 25-OH vitamin D levels in these two groups 14.37 \u00b1 3.36 and 24.44 \u00b1 3.29 ng\/mL. Multivariate logistic regression showed that the main factors associated with vitamin D status were maternal vitamin D supplementation and birth weight, with crude odds ratios 0.26 (0.08\u20130.82) and 0.08 (0.01\u20130.45), respectively. The sun index showed no correlation with the 25-OH vitamin D level in exclusively breastfed infants (r  = \u22120.002, P  = 0.984).<\/jats:p>\n          <jats:p>CONCLUSION<\/jats:p>\n          <jats:p>Two-thirds of healthy exclusively breastfed infants had hypovitaminosis D. Vitamin D supplementation prevented this condition and was recommended for both lactating women and their babies.<\/jats:p>","DOI":"10.5409\/wjcp.v13.i1.86693","type":"journal-article","created":{"date-parts":[[2024,3,6]],"date-time":"2024-03-06T08:58:54Z","timestamp":1709715534000},"source":"Crossref","is-referenced-by-count":2,"title":["Prevalence of vitamin D deficiency in exclusively breastfed infants at Charoenkrung Pracharak Hospital"],"prefix":"10.5409","volume":"13","author":[{"given":"Supawut","family":"Suksantilerd","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rotchanart","family":"Thawatchai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nattapol","family":"Rungrojjananon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2060","published-online":{"date-parts":[[2024,3,9]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","DOI":"10.1038\/s41574-019-0312-5"},{"key":"B2","doi-asserted-by":"publisher","DOI":"10.3390\/ijms21186573"},{"key":"B3","doi-asserted-by":"publisher","DOI":"10.1210\/er.2018-00126"},{"key":"B4","doi-asserted-by":"publisher","DOI":"10.1210\/jc.2011-0385"},{"key":"B5","doi-asserted-by":"publisher","DOI":"10.1016\/B978-0-12-809963-6.00067-5"},{"key":"B6","unstructured":"Niramitmahapanya S, Kaoiean S, Sangtawesin V, Patanaprapan A, Bordeerat NK, Deerochanawong C. Correlation of 25-Hydroxyvitamin D Levels in Serum vs. Breastmilk in Vitamin D-Supplementation Breastfeeding Women during Lactation: Randomized Double Blinded Control Trial. 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