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Combined effects of dietary zinc at 3 years of age and obesity at 7 years of age on the serum uric acid levels of Korean children

Title
Combined effects of dietary zinc at 3 years of age and obesity at 7 years of age on the serum uric acid levels of Korean children
Authors
Lee S.H.Lee H.A.Park E.A.Cho S.J.Oh S.Y.Park B.Park H.
Ewha Authors
박은애박혜숙조수진박보현이혜아
SCOPUS Author ID
박은애scopus; 박혜숙scopus; 조수진scopus; 박보현scopus; 이혜아scopus
Issue Date
2020
Journal Title
Nutrition Research and Practice
ISSN
1976-1457JCR Link
Citation
Nutrition Research and Practice vol. 14, no. 4, pp. 365 - 373
Keywords
AntioxidantsPediatric obesityUric acidZinc
Publisher
Korean Nutrition Society
Indexed
SCIE; SCOPUS; KCI WOS scopus
Document Type
Article
Abstract
BACKGROUND/OBJECTIVES: To assess the longitudinal associations of the antioxidant capacity of zinc and body mass index (BMI) with serum uric acid (SUA) in South Korean children. SUBJECTS/METHODS: Using follow-up data from the Ewha Birth and Growth Cohort, we included subjects who were seen at 3 and 7 years of age (n = 183; 90 boys, 93 girls). Daily zinc intake and BMI were assessed at 3 and 7 years of age. SUA measured at 7 years was used as the outcome variable. Using a general linear model, the effects of dietary zinc intake and BMI on SUA were assessed. We also assessed the combined effect of early dietary zinc intake and BMI on SUA in children. RESULTS: The dietary zinc intake at 3 years of age was negatively correlated (ρ = −0.18, P = 0.04), whereas the BMI at 7 years of age was positively correlated (r = 0.18, P = 0.01), with the SUA level at 7 years of age. The dietary zinc intake level at 3 years of age and the BMI level at 7 years of age were, together, significantly related to SUA in children at 7 years of age. SUA was lower in group 1 (normal-weight, high-zinc group) than in the other two groups (group 2: normal-weight, low-zinc and overweight, high-zinc group; and group 3: overweight, low-zinc group). Our results demonstrate the combined effect of zinc intake and BMI on SUA. The combined association remained significant in both the crude and adjusted models (P < 0.01). CONCLUSIONS: SUA was related to combined BMI and dietary zinc intake, and increased zinc intake and normal body weight had a beneficial effect on reducing SUA in children. © 2020 The Korean Nutrition Society and the Korean Society of Community Nutrition.
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DOI
10.4162/nrp.2020.14.4.365
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의과대학 > 의학과 > Journal papers
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