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KMID : 0123420080130050723
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Korean Journal of Community Nutrition
2008 Volume.13 No. 5 p.723 ~ p.732
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Fitness of Diet-Related Factors Explaining the Self-Rated Health (SRH) in Rural Older Adults with Discriminant Analysis
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Cha Myeong-Hwa
Heo Seong-Ja
Yoon Hyun-Sook
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Abstract
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The purpose of this study was to identify the influence of diet related factors, such as diet behaviors, food intake, and
nutrient intakes, on self-rated health (SRH). Also, in order to determine fitness of classification for SRH reflecting diet
related factors, this study surveyed older adults in Gyeongnam province. A total of 101 responses were collected using
the interview survey method. The self- rated health of rural older adults was poor as reported by 49.5%. The level
of self-rated health was found to be related to the frequencies of coffee and snack, use of sugar and vegetable in diet,
the amount of total food intake, and cholesterol intake. The result of discriminant analysis, which was conducted to
assess the adequacy of SRH classification and to determine the class of observation, showed frequency of coffee and
use of vegetable in diet among 47 variables as predictive variables for explaining SRH. The fitness of self-rated health
function was high to 47.7%. Therefore, diet-related factors were ascertained to be important variables to predict SRH.
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KEYWORD
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self rated health, diet behaviors, food intake, nutrient intake, discriminant analysis
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