Journal List > Korean J Nutr > v.45(2) > 1043921

Korean J Nutr. 2012 Apr;45(2):140-149. Korean.
Published online April 27, 2012.
© 2012 The Korean Nutrition Society
Evaluation of nutrient and food intake status, and dietary quality in Korean female adults according to obesity : Based on 2007-2009 Korean National Health and Nutrition Examination Survey
Yun-Jung Bae
Department of Food and Nutritional Sciences, Hanbuk University, Dongducheon 483-120, Korea.

To whom correspondence should be addressed. (Email: )
Received January 26, 2012; Revised February 21, 2012; Accepted April 04, 2012.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.


The purpose of this study was to compare nutrient intake and diet quality of obese women to those of non-obese women, and to investigate the relationship between diet quality and obesity index in females. We analyzed data from the combined 2007-2009 Korean National Health and Nutrition Examination Survey (KNHANES). In this study, according to their BMI (above 25 kg/m2), we classified the subjects into the obese group (n = 724) and non-obese control group (n = 2,841). Nutrient adequacy ratio (NAR), the number of foods (Dietary Variety Score, DVS), and food groups consumed (Dietary Diversity Score, DDS) were analyzed by using the data from the 24-recall method. The average energy intake of both the obese and control group were 1634.94 kcal and 1,707.81 kcal, respectively (p = 0.0199). The obese group consumed significantly lower quantities of calcium per 1,000 kcal compared to the control group (p = 0.0261). With regards to diet quality, calcium NAR in the obese group was significantly lower than that of the control group (p = 0.0158). MAR values for the obese and the control group was 0.79 and 0.80, respectively and revealed no statistical difference. The obese group showed a significantly lower consumption of milk compared to the control group (p = 0.0162). The average DVS of the obese and control group was 28.63 and 30.41, respectively and revealed a statistical significance (p = 0.0003). DDS in the obese group (3.686) was significantly lower than that of the control group (3.769)(p = 0.0253). DVS showed considerable negative relationships with BMI or waist circumference after it was adjusted for potential confounding factors. In conclusion, obese women had lower calcium intake quality, milk consumption, DVS and DDS than those of the control group. In Korean females, food intake variety did adversely affect obesity index. Further studies are needed to confirm this finding.

Keywords: diet quality; obesity; dietary variety score; dietary diversity score; Korean female adult


Table 1
General characteristics of the subjects
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Table 2
Dietary intakes of the subjects
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Table 3
The percent of RNI1) of the subjects
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Table 4
The percent of the subjects consumed under EAR1) of the subjects
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Table 5
Nutrient adequacy ratio (NAR) and mean adequacy ratio (MAR) of the subjects
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Table 6
Food intakes from each food group in subjects
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Table 7
Dietary diversity score (DDS) and dietary variety score (DVS) of the subjects
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Table 8
Relationship between DVS, DDS and obesity-related antropometric indicator
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