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KMID : 0664320210270030133
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Journal of the Korean Dietetic Association
2021 Volume.27 No. 3 p.133 ~ p.148
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Evaluation of Diet Quality Determined by Dietary Patterns of Elderly Koreans Living Alone: Data Retrieved from the 2016∼2018 Korea National Health and Nutrition Examination Survey
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Yoon Yeo-Jin
Lee Young-Mi
Song Kyung-Hee
Lee Yu-Jin
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Abstract
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This study was undertaken to identify dietary patterns of Korean elderly people living alone, and to compare the quality of diet consumed. Data of 821 elderly people aged 65 years or older who were living alone,was obtained from the 2016∼2018 National Health and Nutrition Survey. The percentage energy intake from 24 food groups was calculated, and a cluster analysis was applied to identify dietary patterns. General characteristics, energy and nutrient intake, nutrient adequacy ratio (NAR), mean adequacy ratio (MAR), and index of nutritional quality (INQ) were analyzed. Dietary variety score (DVS) and dietary diversity score (DDS) were subsequently calculated. The rice-centered diet group and mixed diet group were characterized as consuming higher intake of rice and a wider variety of food groups, respectively. The mean age and percentage of participants living in rural areas were higher, whereas education level and monthly income were lower, in the rice-centered diet group (P＜0.001 for all). Intakes of energy and all other nutrients (except carbohydrate and thiamine) were lower in the rice-centered diet group (P＜0.001 for all). The NAR for all nutrients (except thiamine), MAR, and INQs (except thiamine and iron) were significantly lower in the rice-centered diet group(P＜0.001 for all). The rice-centered diet group had significantly lower DVS (P＜0.001) and DDS (P＜0.001),as compared with the mixed diet group (P＜0.001). Due to the insufficient energy and nutrient intake in the rice-centered diet group, it is necessary to develop nutritional monitoring and customized nutrition policies for these individuals
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KEYWORD
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dietary patterns, elderly, living alone, diet quality, KNHANES
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