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Is There a Difference in Serum Vitamin D Levels and Bone Mineral Density According to Body Mass Index in Young Adult Women?

Journal of Bone Metabolism 2019년 26권 3호 p.145 ~ 150
 ( Lim Hee-Sook ) - Yoensung University Department of Food and Nutrition

 ( Byun Dong-Won ) - Soonchunhyang University College of Medicine Department of Internal Medicine
 ( Suh Kyo-Il ) - Soonchunhyang University College of Medicine Department of Internal Medicine
 ( Park Hyeong-Kyu ) - Soonchunhyang University College of Medicine Department of Internal Medicine
 ( Kim Hye-Jeong ) - Soonchunhyang University College of Medicine Department of Internal Medicine
 ( Kim Tae-Hee ) - Soonchunhyang University College of Medicine Department of Obstetrics and Gynecology
 ( Lee Hae-Hyeog ) - Soonchunhyang University College of Medicine Department of Obstetrics and Gynecology

Abstract


Background: In the life cycle, bone mineral density (BMD) is the most optimal condition in the 20s. In Korea, vitamin D deficiency status is very serious in Korean women due to recent lack of activity, weight polarization, and inadequate nutritional intake. The purpose of this study was to compare serum vitamin D and BMD according to obesity status in Korean young adult women.

Methods: A total of 143 female college students participated in the research. Body fat and lean body status were analyzed using a body composition analyzer. Nutrient intakes of the subjects were assessed by 3-days food record method. The BMDs was measured by dual energy X-ray absorptiometry. The subjects were divided into normal weight group and obesity group on their body mass index.

Results: Obesity group showed significantly higher weight, body fat (%), and body fat (kg) than normal weight group and T-scores of lumbar-2 spines were significantly lower. Obesity group showed high triglyceride and low-density lipoprotein cholesterol levels and vitamin D levels were significantly lower. Physical fitness and activity status showed that sit and reach and sit up were significantly lower in obesity group. The intake of carbohydrates was higher in the obesity group than in the normal weight group, and the intake of vitamin C and vitamin D was significantly lower. Factors affecting serum vitamin D were analyzed as body fat (%), lumbar-2 T-score, triglyceride, and carbohydrate intake.

Conclusions: Obese women need more effort to manage their serum vitamin D status and balanced nutrition to prevent bone loss.

키워드

Body mass index; Bone density; Nutritional status; Obesity; Vitamin D
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