Background: The prevalence of vitamin D deficiency has recently been recognized in
different parts of the world, even affecting healthy populations. The deficiency of vitamin D …

Objectives: To investigate the prevalence of vitamin D deficiency among health care
professionals working at Hamad Medical Corporation in Doha, Qatar. Methods: Between …

Vitamin D is essential for growth and vitamin D deficiency is important issue in adolescent
girls as they have a limited rapid growth period. This cross sectional study was done on 167 …

Objective: The study aimed to determine vitamin D status and frequency of its determinants
related to diet, clothing, lifestyle and exposure to sunlight among young healthy medical …

Objectives: To measure prevalence of vitamin D deficiency in Saudi Arabia, unveil the life
style, nutritional habits and status, as well as identify the potential risk factors. Method: A …

Objectives: To determine the prevalence of vitamin D deficiency in healthy Saudi adults.
Methods: A cross-sectional study carried out as part of the screening and early evaluation of …

Background: In Jordan, many studies reported various rates of vitamin D deficiency and
insufficiency among different groups. This study aimed to determine the prevalence of low …

Background Vitamin D plays an important role in diverse physiological functions in addition
to its role in bone health. Vitamin D deficiency is very common in elderly people, but there …

Results: Majority of Saudi medical students (75.2%) had 25 (OH) D levels< 30 nmol/l,
defined as risk for deficiency by the Institute of Medicine. Multivariate analysis showed that …

Methods: This cross-sectional study was carried out on 254 (128 male and 126 female)
university students. Demographic questionnaires and a questionnaire on exposure to sun …