Recently a variety of studies reported high prevalence of vitaminD deficiency in adult individuals in different countries and several previously published studies have linked obesity to a poorer vitamin D status, in which serum 25- OHD levels are inversely correlated with body fat. The aim of the present study was to evaluate prevalence of vitamin D deficiency and its relationship with nutritional status among women of reproductive age in the city of Tabriz. Material and Methods: This was a cross-section study conducted on 252 reproductive, 15-49 year- old women of the city of Tabriz, randomly selected from among the general population. From each subject 5 mL vein blood was obtained and serum levels of calcium, phosphor, alkaline phosphatase, and vitamin D were measured Lev- els of <5 ng /mL were considered as severe deficiency, 5- 9.90 ng/ mL as moderate, and 10- 20 ng / mL as mild. A demographic questionnaire was completed; weight and height were measured us- ing seca scale and cotton ruler. Body mass index was calculated based on weight and height. Vi- tamin D was measured by radioimmunoassay. Results: The results indicated that vitamin D deficiency in women was as follows: severe vita- min D deficiency 15.1%, moderate deficiency 15.5%, and mild deficiency 33.7%. Of these women 3.7% were underweight and 59.8% had different stage of obesity. Only 37.5% had BMI within normal range. There was a significant correlation between serum levels of vitamin D and weight and age (r = 0.16, p= 0.01 and r = 0.19, p= 0.003). There was no significant association between BMI and serum vitamin D level. Conclusion: Based on this study, it is speculated that vitamin D deficiency is prevalent in the women of Tabriz. No relationship was found between vitamin D and nutritional status. Therefore, interventions such as education and sun exposure are recommended for the health promotion of these women.

"/> Recently a variety of studies reported high prevalence of vitaminD deficiency in adult individuals in different countries and several previously published studies have linked obesity to a poorer vitamin D status, in which serum 25- OHD levels are inversely correlated with body fat. The aim of the present study was to evaluate prevalence of vitamin D deficiency and its relationship with nutritional status among women of reproductive age in the city of Tabriz. Material and Methods: This was a cross-section study conducted on 252 reproductive, 15-49 year- old women of the city of Tabriz, randomly selected from among the general population. From each subject 5 mL vein blood was obtained and serum levels of calcium, phosphor, alkaline phosphatase, and vitamin D were measured Lev- els of <5 ng /mL were considered as severe deficiency, 5- 9.90 ng/ mL as moderate, and 10- 20 ng / mL as mild. A demographic questionnaire was completed; weight and height were measured us- ing seca scale and cotton ruler. Body mass index was calculated based on weight and height. Vi- tamin D was measured by radioimmunoassay. Results: The results indicated that vitamin D deficiency in women was as follows: severe vita- min D deficiency 15.1%, moderate deficiency 15.5%, and mild deficiency 33.7%. Of these women 3.7% were underweight and 59.8% had different stage of obesity. Only 37.5% had BMI within normal range. There was a significant correlation between serum levels of vitamin D and weight and age (r = 0.16, p= 0.01 and r = 0.19, p= 0.003). There was no significant association between BMI and serum vitamin D level. Conclusion: Based on this study, it is speculated that vitamin D deficiency is prevalent in the women of Tabriz. No relationship was found between vitamin D and nutritional status. Therefore, interventions such as education and sun exposure are recommended for the health promotion of these women.

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Relationship Between Vitamin D and Nutritional Status in Healthy Reproductive Age Women

AUTHORS

A Ostad Rahimi 1 , N Zarghami 2 , * , A Sadighi 1

1 Department of Nutrition and Biochemistry, Health & Nutrition Faculty, IR.Iran

2 Department of Clinical Biochemistry and RIA, Drug Applied Research Center, [email protected], IR.Iran

How to Cite: Ostad Rahimi A, Zarghami N, Sadighi A. Relationship Between Vitamin D and Nutritional Status in Healthy Reproductive Age Women, Int J Endocrinol Metab. Online ahead of Print ; 4(1):1-7.

ARTICLE INFORMATION

International Journal of Endocrinology and Metabolism: 4 (1); 1-7
Article Type: Original Article
Received: January 1, 2005
Accepted: December 25, 2005
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Abstract

Recently a variety of studies reported high prevalence of vitaminD deficiency in adult individuals in different countries and several previously published studies have linked obesity to a poorer vitamin D status, in which serum 25- OHD levels are inversely correlated with body fat. The aim of the present study was to evaluate prevalence of vitamin D deficiency and its relationship with nutritional status among women of reproductive age in the city of Tabriz. Material and Methods: This was a cross-section study conducted on 252 reproductive, 15-49 year- old women of the city of Tabriz, randomly selected from among the general population. From each subject 5 mL vein blood was obtained and serum levels of calcium, phosphor, alkaline phosphatase, and vitamin D were measured Lev- els of <5 ng /mL were considered as severe deficiency, 5- 9.90 ng/ mL as moderate, and 10- 20 ng / mL as mild. A demographic questionnaire was completed; weight and height were measured us- ing seca scale and cotton ruler. Body mass index was calculated based on weight and height. Vi- tamin D was measured by radioimmunoassay. Results: The results indicated that vitamin D deficiency in women was as follows: severe vita- min D deficiency 15.1%, moderate deficiency 15.5%, and mild deficiency 33.7%. Of these women 3.7% were underweight and 59.8% had different stage of obesity. Only 37.5% had BMI within normal range. There was a significant correlation between serum levels of vitamin D and weight and age (r = 0.16, p= 0.01 and r = 0.19, p= 0.003). There was no significant association between BMI and serum vitamin D level. Conclusion: Based on this study, it is speculated that vitamin D deficiency is prevalent in the women of Tabriz. No relationship was found between vitamin D and nutritional status. Therefore, interventions such as education and sun exposure are recommended for the health promotion of these women.

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