Diet Quality and Food Patterns of Obese Adult Women from Low Income Classes -Based on 2005 KNHANES-

Jin-Sook Yoon; Heekyung Jang

doi:10.5720/kjcn.2011.16.6.706

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Yoon and Jang: Diet Quality and Food Patterns of Obese Adult Women from Low Income Classes -Based on 2005 KNHANES-

Original Article

Korean Journal of Community Nutrition

Korean Journal of Community Nutrition 2011; 16(6): 706-715.

Published online: 31 December 2011

DOI: https://doi.org/10.5720/kjcn.2011.16.6.706

Diet Quality and Food Patterns of Obese Adult Women from Low Income Classes -Based on 2005 KNHANES-

Jin-Sook Yoon, Heekyung Jang

Department of Food and Nutrition, Keimyung University, Daegu, Korea.

Corresponding author: Jin-Sook Yoon, Department of Food and Nutrition, Keimyung University, 1000 Sindang-dong, Dalseo-gu, Daegu 704-701, Korea. Tel: (053) 580-5873, Fax: (053) 580-5885, jsook@kmu.ac.kr

Received 22 October 2011 Revised 26 October 2011 Accepted 28 October 2011

Abstract

This study aims to identify the dietary patterns relevant to obesity of Korean women among low income classes. Adults 20-64 years were used as study subjects from the data of 2005 Korea National Health and Nutrition Examination Survey. We compared obese and normal-weight women in terms of their nutrients intake, diet quality and food patterns. Diet quality was assessed by using the Nutritional Adequacy Ratio (NAR) and Index of Nutritional Quality (INQ). Our results showed higher prevalence of obesity among lower socioeconomic status women. In men, there were no significant associations with socioeconomic status and prevalence of obesity. Higher risk of nutritional inadequacy was observed among obese women compared to normal weight women. Obese women showed significantly lower INQ for nutrients such as Ca, Fe, Vitamin A, Thiamin, Riboflavin and Vitamin C compared to other women. They consumed significantly higher amount of rice (p < 0.05) and lower amount of vegetables (p < 0.01). By contrast, obese men from low income classes showed higher intake of those nutrients. Obese men also consumed significantly higher amount of meats than normal weight men. Therefore, this study suggests that genderspecific approaches based on economic situation should be considered in developing the intervention program for managing obesity for low income classes.

Keywords: obesity, nutritional inadequacy, low-income class, adult women, diet pattern

Figures and Tables

Fig. 1

Obesity prevalence by gender and socio-economic status.

Table 1

Comparison of obesity prevalence among Low income classes by age and gender

n (%)

Table 2

Nutrients intake of female subjects from low income classes

RNI : Recommended Nutrient Intake

Values are Mean ± SD

Values with different superscripts in the same row are significantly different by Duncan test

Table 3

Nutrients intake of male subjects from low income classes

RNI : Recommended Nutrient Intake

Values are Mean ± SD

Values with different superscripts in the same row are significantly different by Duncan test

Table 4

Comparison of Nutrient Adequacy Ratio and Mean Adequacy Ratio by gender and obesity

Values are Mean ± SD, 1) NAR : Nutrient Adequacy Ratio, 2) MAR: Mean Adequacy Ratio

Values with different superscripts in the same row are significantly different by Duncan test

Table 5

Comparison of Index of Nutrition Quality by gender and obesity

Values are Mean ± SD, INQ : Index of Nutrition Quality

Values with different superscripts in the same row are significantly different by Duncan test

Table 6

Food intake patterns of female subjects from low income classes

Values are Mean ± SD

Table 7

Food intake patterns of male subjects from low income classes

Values are Mean ± SD

Table 8

Food intake of 16 food groups in female subjects

Values are Mean ± SD

Table 9

Food intake of 16 food groups in male subjects

Values are Mean ± SD

Notes

This research was supported by 2007 research grant of Korea Research Foundation (KRF-2007-531-C00065)

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