Prevalence of Vitamin D Deficiency among Female Students in Secondary Guidance School in Yazd City
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Abstract
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 female students in secondary guidance school in 2006. Growth Parameters, taking supplementary vitamin D, using sunscreen creams and the type of housing and their avoidance from exposure to sunlight was recorded. Symptoms such as weakness, muscle pain, cramp and early fatigability were asked. 25-Hydroxyvitamin D was measured by RIA method, level less than 20ng /ml was considered as deficiency and less than 8ng/ml as sever deficiency. Study showed only 67 girl(40%) have normal vitamin D level,60% suffered vitamin D deficiency (95% CI 52.3-67.5) and 21% out of them suffered sever deficiency (95% CI 14.8- 27.2).No correlation existed between vitamin D level and BMI in our students.There was a correlation between taking supplementary vitamin D and the serum level of 25-Hydroxyvitamin D (P 0.05) Present study showed that despite the fact that Yazd is a sunny city most of the days even in winter; prevalence of vitamin D deficiency among growing female is concerning and requires preventive interference.
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| Issue | Vol 47, No 3 (2009) | |
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