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KMID : 0978920170180020102
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Korean Journal of Clinical Geriatrics
2017 Volume.18 No. 2 p.102 ~ p.112
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Factors Affecting Under-reporting of Energy Intake in the Korean Elderly Using Data from KNHANES 2013∼2015
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Choi Eun-Sil
Yoo Eun-Hae
Cho Soo-Hyun
Kim Jung-Ha
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Abstract
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Background: This study was to investigate the extent of under-reporting (UR) of energy intake (EI) and the factors associated with UR of EI in the Korean elderly populationby using the 6th Korean National Health and Nutrition Examination Survey data.
Methods: This study was conducted 3,992 people aged 65 and over. Nutrition information was collected using a 24-hour recall method, and subjects with an Energy intake (EI)/Basal metabolic rate of less than 1.10 were defined as UR of EI by the revised Goldberg cut-off method. Socioeconomic factors, BMI, health-related behavior, and comorbidities were compared between UR and normal reporting (NR) of EI. Nutrient intakes between the two groups were also compared in each sex. Multivariate regression analysis was performed to examine the associations of variables on UR of EI.
Results: UR of EI was 522 out of 1705 in men and 908 out of 2,287 in women. The risk of UR was lower by 0.440 times (95% CI [0.253, 0.764], P＜0.01) in manual worker than no financial activity group in men and was higher by 1.839 times (95% CI [1.318, 2.566], P＜0.01) in high BMI women than in the normal BMI.
Conclusion: We found that independent risk factors for UR of EI are high BMI in elderly women and occupational factor in elderly men. Therefore, when interpreting the results of the relationship between nutrition and chronic diseases of the elderly, it is important to consider under-reporting of energy intake and related factors based on the results of this study.
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KEYWORD
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Under-reporting, Energy intake, Korean elderly
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