Association of Serum Folate and Vitamin B Concentrations with Obesity in Chinese Children and Adolescents.

Objective: This study aimed to evaluate the associations of serum folate and/or vitamin B concentrations with obesity among Chinese children and adolescents.

Methods: A cross-sectional study was conducted including 3,079 Chinese children and adolescents, aged 6 to 17 years, from Jiangsu, China. Anthropometric indices, such as, children's body mass index (BMI), BMI z-scores, waist circumference, and waist-to-height ratio were utilized.