{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T16:01:13Z","timestamp":1791475273600,"version":"4.3.4"},"reference-count":45,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2021,4,9]],"date-time":"2021-04-09T00:00:00Z","timestamp":1617926400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Human Nutrition Diet"],"published-print":{"date-parts":[[2021,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>To explore the vitamin D status with its demographic and lifestyle factors including dietary, supplementation, and physical activity in 0\u20135 years old children.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This was a large population\u2010based cross\u2010sectional multicentre study in which the children were recruited from 12 Children\u2019s Health Care Centers by a stratified cluster random\u2010sampling method in 10 cities in Jiangsu Province, China.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total number of 5289 children were investigated. The prevalence of vitamin D deficiency was 30.1%. The concentration of 25 hydroxyvitamin D was 64.0 (46.3\u201383.0) nmol\u00a0mL<jats:sup>\u22121<\/jats:sup> after adjustment for covariates. Children with higher risk of vitamin D deficiency were more likely to be at older age, girls, survey conducted in spring, location in southern Jiangsu province, residence in urban, outdoor activity &lt;\u00a02\u00a0h\u00a0day<jats:sup>\u22121<\/jats:sup> (all <jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.05). Moreover, those with lower risk were more likely to be the number of parity \u2265 2 times, vitamin D supplementation from birth to 6 months, the initial time of vitamin D supplementation after birth \u2264 1 months, vitamin D and calcium supplementation in the last 3 months, and dose of vitamin D supplementation &gt;\u00a0400\u00a0IU\u00a0day<jats:sup>\u22121<\/jats:sup> (all <jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.05). Children with preferences for sweets, meat consumption &gt;\u00a0150.0\u00a0g\u00a0day<jats:sup>\u22121<\/jats:sup>, milk consumption &lt;\u00a0250\u00a0mL\u00a0day<jats:sup>\u22121<\/jats:sup>, time of sleeping &lt;\u00a010\u00a0h\u00a0day<jats:sup>\u22121<\/jats:sup> had higher risks of vitamin D deficiency. However, these relationships were affected by demographics.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Vitamin D status during the first five years of life was suboptimal and was associated with demographic and lifestyle determinants including milk, meat, sweets, vitamin D and calcium supplementation, sleeping and outdoor activity.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jhn.12883","type":"journal-article","created":{"date-parts":[[2021,3,10]],"date-time":"2021-03-10T09:15:23Z","timestamp":1615367723000},"page":"792-806","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Vitamin D status and its dietary and lifestyle factors in children during the first 5\u00a0years of life: A cross\u2010sectional multicentre Jiangsu bone 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