Vitamin D defciency status and some related factors in children stunting and risk of stunting in preschool and primary school in Luc Yen and Yen Binh districts, Yen Bai province, 2017

Abstract

Vitamin D defciency is known to affectmchildren worldwide. A cross-sectional study was conducted on six hundred children with stunting and risk of stunting in preschools and primary schools to identify Vitamin D defciency and related factors, in Luc Yen, Yen Binh districts, Yen Bai province. The results showed that the prevalence of Vitamin D defciency (serum 25 hydroxyvitamin D concentration below 50 nmol/L) was 29.2 % among preschool children, and 24.7% among primary school children; the prevalence of vitamin D defciency and vitamin D insufciency (serum 25 (OH)D between 50-74.9 nmol/L) in general in two groups of children were 27.0 % and 58.3 %, respectively. The mean of serum 25(OH)D concentration among preschool children and primary school children was 57.85 nmol/L, and 60.0 nmol/L, respectively. Multivariate linear regression analysis for predictive factors associated to mother is not of Kinh ethnicity, order of the child in the family, zinc defciency, female gender with serum 25(OH)D concentration and multivariate logistic regression showed that zinc defciency and female gender associated with the prevalence of vitamin D defciency. Interventions for preventing vitamin D defciency should include solutions based on geographical region, promoting outdoor activities for children, with a special focus on girls.