International journal of public health · 2025
Vitamin D Deficiency and Associated Factors in Children: A Multicenter Study of 21,811 Samples in Southern China.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Huang Chuican, Liu Sijia, Cheng Chen, Chen Shiyun, Luo Qing, Huang Yan, Yao Yanxian, Ye Xixia, Wang Haizhen, Luo Liangyi, Xie Junwei, Li Hongai, Duan Yumei, Liu Beibei, Cao Wenting, Zeng Fangfang, Xiang Wei, Fan Lichun
Аннотация
OBJECTIVE: To investigate the prevalence of vitamin D deficiency (VDD) in children/adolescents in extreme southern China.
METHODS: This multicenter, cross-sectional study included 21,811 children aged 0-18 years from 18 districts in Hainan Province, using a multistage stratified random sampling method from January 2021 to March 2022.
RESULTS: Serum 25(OH)D levels decreased with age (p trend <0.001). VDD prevalence increased significantly from 3.7% (95% CI: 3.2, 4.3) in children aged 0-3 years to 43.5% (95% CI: 42.1, 45.0) in those aged 13-18 years. Girls and urban residents showed higher deficiency rates. Adolescents (13-18 years) had the highest prevalence of VDD (43.5%), while toddlers (0-3 years) had the lowest (3.7%). Factors influencing vitamin D status included gender, urban residency, and breastfeeding duration. Seasonal variations showed higher deficiency rates in autumn, particularly among preschoolers. Regional differences were noted, with the highest deficiency in semiarid and subhumid zones for various age groups.
CONCLUSION: A significant increase in VDD with age, particularly among adolescents, urban girls, and during autumn, emphasizing the need for targeted strategies.
METHODS: This multicenter, cross-sectional study included 21,811 children aged 0-18 years from 18 districts in Hainan Province, using a multistage stratified random sampling method from January 2021 to March 2022.
RESULTS: Serum 25(OH)D levels decreased with age (p trend <0.001). VDD prevalence increased significantly from 3.7% (95% CI: 3.2, 4.3) in children aged 0-3 years to 43.5% (95% CI: 42.1, 45.0) in those aged 13-18 years. Girls and urban residents showed higher deficiency rates. Adolescents (13-18 years) had the highest prevalence of VDD (43.5%), while toddlers (0-3 years) had the lowest (3.7%). Factors influencing vitamin D status included gender, urban residency, and breastfeeding duration. Seasonal variations showed higher deficiency rates in autumn, particularly among preschoolers. Regional differences were noted, with the highest deficiency in semiarid and subhumid zones for various age groups.
CONCLUSION: A significant increase in VDD with age, particularly among adolescents, urban girls, and during autumn, emphasizing the need for targeted strategies.