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Nutr Food Sci Res 2018, 5(1): 9-14 Back to browse issues page
Hypovitaminosis D in Adults Living in a Sunny City: Relation to Some Cardiometabolic Risk Factors, National Food and Nutrition Surveillance
Bahareh Nikooyeh , Majid Hajifaraji , Amir-Hossein Yarparvar , Zahra Abdollahi , Mahnoosh Sahebdel , Amaneh Mosayebi Dehkordi , Dena Norouzi , Seyed Masoumeh Taghizadeh , Ali Kalayi , Nastaran Shariatzadeh , Maliheh Zahedirad , Tirang Neyestani
Laboratory of Nutrition Research, National Nutrition and Food Technology Research Institute and Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran , neytr@yahoo.com
Abstract:   (4834 Views)
Background and Objectives: Reports indicate that hypovitaminosis D is extremely common worldwide and is re-emerging as a major health problem globally. In the present study, the main objectives were: 1) to examine whether healthy men and women living in Ahvaz have adequate vitamin D status; 2) to assess association between vitamin D status and some cardiometabolic risk factors.
Materials and Methods: This was a cross-sectional study which was part of the National Food and Nutrition Surveillance (NFNS). A total of 235 apparently healthy women and men aged 20-60 met the inclusion criteria from the city of Ahvaz (latitude 31.3oN, 48.6oE). Anthropometric measurements including weight and height were taken. Serum 25-hydroxyvitamin D (25(OH)D) concentrations and lipid profile including triglycerides, total cholesterol, LDL-C and HDL-C were evaluated.
Results: Mean circulating 25(OH)D concentration was 25.4±12.7 nmol/L, with significant difference between men and women (p=0.015). Only 6 % of the participants had sufficient levels of vitamin D (25(OH)D ≥ 50 nmol/L). Results of logistic regression analyses after controlling for gender showed that subjects with hypovitaminosis D were almost 4.38 times more likely to be overweight/obese compared with subjects with vitamin D sufficiency (OR:4.38, p:0.011). There was no significant association between serum 25(OH)D concentration and the lipid profile components.
Conclusions: We found high prevalence of hypovitaminosis D in apparently healthy adults in Ahvaz, a sunny city of Iran. Our findings suggest that high vitamin D concentrations among the adult population are associated with a substantial decrease in body mass index. However, there was no association with the lipid profile components.
Keywords: Vitamin D, Ahvaz, Cardiometabolic risk factors
Full-Text [PDF 118 kb]   (1601 Downloads)    
Article type: Research | Subject: Food Science
Received: 2017/09/25 | Accepted: 2018/01/30 | Published: 2018/01/30
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