Association of Serum 25-Hydroxyvitamin D with Life Style and Dietary Factors in Egyptian Prepubescent Children

Mones M. Abu Shady; Mai M. Youssef; Manal A. Shehata; Ebtissam M. Salah El-Din; Heba A. ElMalt

doi:10.3889/oamjms.2015.006

Authors

Mones M. Abu Shady Child Health Department, National Research Centre, Cairo
Mai M. Youssef Child Health Department, National Research Centre, Cairo
Manal A. Shehata Child Health Department, National Research Centre, Cairo
Ebtissam M. Salah El-Din Child Health Department, National Research Centre, Cairo
Heba A. ElMalt 2Medical Biochemistry Department, Medical Division, National Research Centre, Cairo

DOI:

https://doi.org/10.3889/oamjms.2015.006

Keywords:

25-hydroxyvitamin D, lifestyle, physical activity, BMI, children

Abstract

BACKGROUND:Â There had been a growing evidence of high prevalence ofÂ vitamin DÂ deficiency especially among children which may increase the risk of many chronic diseases in adulthood.

AIM:Â Â Assessment of different lifestyles and dietary behaviour influencing the level of serum 25-OHD in a group of Egyptian prepubescent children.

SUBJECTS AND METHODS:Â Two hundred boys andÂ girls aged from 9 to 11 years were recruited from two primary public schools situated in Giza governorate in Egypt. A questionnaire was developed to obtain relevant information related to age, dietary habits, and physical activity. Thorough clinical examination and measurement of weight and height were performed. Body mass index was calculated. Serum samples were assayed for 25-hydroxy vitamin D (25-OHD).

RESULTS:Â Low serum 25-OHD (< 20Â ng/ml) was found in 11.5% of the whole sample. Mean serum 25-OHD was significantly lower in obese subjects and in those with low physical activity (p < 0.05). Multiple stepwise linear regression analysis showed that BMI and physical activity were the main predictors of serum 25-OHD (P < 0.05).

CONCLUSIONS:Â Lifestyle factors in terms of physical activity and BMI may contribute significantly to the optimal vitamin D status of apparently healthy children.

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