Vitamin D Status in Jiroft City Population, South of Iran, ۲۰۱۵-۲۰۱۹

Background and Aims: Vitamin D plays an important role in bone health, cardiovascular health, brain development, immune system regulation, mood regulation, and cancer prevention. This study aimed to evaluate the vitamin D status and the prevalence of vitamin D deficiency in Jiroft city, Kerman Province, south of Iran. Materials and Methods: In this cross-sectional study, ۵۲۴۳ people were selected by random sampling during ۲۰۱۵-۲۰۱۹.  Serum ۲۵ (OH) D level was measured by VIDAS ۲۵-OH vitamin D total testing kits. Levels used for definitions were deficient, D۳ < ۲۰ ng/ml; insufficient, D۳ ۲۰-۳۰ ng/ml; adequate, D۳ ۳۰-۱۰۰ ng/ml, and potential toxicity, >۱۰۰ ng/ml.   Results: The mean of vitamin D was ۲۶.۰۳ ng/ml and ۲۴.۱۹ ng/ml in men and women, respectively (p=۰.۰۰۳). The prevalence of vitamin D deficiency was ۴۱.۵۵% and ۵۱.۷% in men and women, respectively. A significant relationship was seen between age and level of vitamin D (p=۰.۰۰۱). Conclusions: The results of our study showed that vitamin D deficiency is common among the general population, especially in women in Jiroft city, Kerman Province, south of Iran. Serious plans are needed to improve the status of vitamin D in the people living in this region.

Keywords:

General population , Jiroft , Vitamin D