The relationship between physical activity levels and serum vitamin D levels varies among children and adolescents in different age groups.

ABSTRACT:

Objective

The objective of the present study was to explore the relationship between physical activity (PA) levels and serum vitamin D levels in children and adolescents of different ages and sexes.

Methods

All the data in this study were collected during two cycles (2011-2014) of the National Health and Nutrition Examination Survey (NHANES). Our study participants were aged ≥3 and < 20 years and had valid data for all variables, including vitamin D intake, serum vitamin D levels, PA volume and intensity levels, amount of time spent outdoors, body mass index (BMI), sex, and race.

Results

A total of 3,312 participants were included in the study; 1,672 were boys (50.4%), and 1,640 were girls (49.6%). A total of 250 (7.5%) children were aged 3-5 years, 1,474 (44.5%) were

SUBMITTER: Ouyang S 

PROVIDER: S-EPMC11392726 | biostudies-literature | 2024

REPOSITORIES: biostudies-literature