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KMID : 0379220190390040847
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Journal of Korea Gerontological Society
2019 Volume.39 No. 4 p.847 ~ p.859
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The Role of Niacin Intake in the Relationship between Household Income and Depressive Symptoms among Korean Older Adults: Results from the Korea National Health and Nutrition Survey
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Jang Ui-Mi
Kim Gi-Yeon
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Abstract
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The purpose of this study is to examine the association between household income and depressive symptoms and the interactive effect of niacin intake and household income on depressive symptoms among older Korean adults. The sample was drawn from the seventh wave of the Korea National Health and Nutrition Examination Survey (KNHANES) conducted in 2016. Two-way analysis of covariance (ANCOVA) was conducted to test an interaction between Niacin intake and household income on depressive symptoms. A significant interaction effect of niacin intake and household income was found in the highest income group, those with insufficient intake of niacin tended to have higher levels of depressive symptoms than those with sufficient intake of niacin. Findings suggest that the relationship between niacin intake and depressive symptoms differs by household income levels among Korean older adults. Future intervention strategies for increasing niacin intake are discussed in sociocultural context as a way to reduce depressive symptoms among older adults.
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KEYWORD
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Elderly, Niacin, Household income, Depressive symptoms
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