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Association of Serum 25-Hydroxyvitamin D Concentration With Anthropometric Measures in Children and Adolescents: The Caspian-V Study Publisher Pubmed

Summary: A study found low vitamin D raises obesity risk in kids, urging supplementation for better health. #ChildHealth #Nutrition

Bemanalizadeh M1 ; Heidaribeni M1 ; Ejtahed HS2, 3 ; Heshmat R4 ; Baygi F5 ; Seif E6 ; Mahdavigorab A7 ; Kasaeian A8, 9 ; Khademian M1 ; Qorbani M10, 11 ; Kelishadi R1
Authors

Source: Eating and Weight Disorders Published:2021


Abstract

Background: Serum 25-hydroxyvitamin D (25(OH)D) concentrations reflect vitamin D status, with deficiency implicated as an underlying factor for many adverse health effects. This study aims to analyze the association between vitamin D status and different anthropometric measures in a large pediatric population. Methods: This nationwide cross-sectional study was conducted in 2019 in blood samples obtained from school students of 30 provinces in Iran. Participants were 2596 children and adolescents aged 7–18 years. Weight, height, waist circumference (WC), hip circumference (HC), neck circumference (NC), and wrist circumference (WrC) were measured. Body mass index (BMI) and waist-to-height ratio (W/HtR) were calculated. Serum 25(OH)D concentrations were measured using chemiluminescent immunoassay. Results: Participants consisted of 55% boys, 71.3% urban inhabitants, with a mean (SD) age of 12.1 (3.0) years. Overall, vitamin D deficiency was documented in 10.6% of participants, insufficiency in 60.4%, and sufficiency in 29% of the population studied. The mean of BMI and WC was higher in the vitamin D deficient than in the vitamin D sufficient group (19.31 kg/m2 and 69.24 cm vs. 18.34 kg/m2 and 65.73 cm, respectively, P < 0.01). Multivariate linear regression models revealed a significant association of vitamin D insufficiency with WC and W/HtR (P < 0.05). Likewise, in the multivariate regression models, vitamin D deficiency was associated with BMI, WC, and W/HtR (P < 0.05). Conclusion: Our findings on the inverse association between vitamin D status and some anthropometric measures underscore the importance of providing vitamin D by fortification and supplementation programs of vitamin D for the pediatric population. Level of evidence: V. © 2020, Springer Nature Switzerland AG.
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