Korean J Fam Pract. 2017; 7(6): 885-891  https://doi.org/10.21215/kjfp.2017.7.6.885
Protein and Each Nutrient Intake of the Elderly According to the Family Type and Factors Affecting Protein Intake: The Sixth Korea National Health and Nutrition Examination Survey, 2013-2014
June Hee Kim, Jeong Hee Yang*, Sunmi Kim, Hee Kon Shin, Soo Young Yoo, Soo Hyun Kim, Hyunwoo Kim
Department of Family Medicine, Kangwon National University Hospital, Chuncheon, Korea
Jeong Hee Yang
Tel: +82-33-258-2401, Fax: +82-33-258-2418
E-mail: yjh221@kangwon.ac.kr
Received: March 8, 2017; Revised: September 7, 2017; Accepted: September 15, 2017; Published online: December 20, 2017.
© The Korean Academy of Family Medicine. All rights reserved.

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Background: Currently, with an increase in the aging population in Korea, there is a growing interest in healthy aging. This study aimed to compare the intake of protein and nutrients important in the prevention and management of geriatric frailty, classified by family type, and to analyze the factors affecting protein intake.
Methods: Using the data of the sixth Korea national health and nutrition examination survey (2013–2014), data regarding intake of protein and each nutrient in 1,587 people aged 65 years or older were gathered and classified based on family type, sex, and factors affecting protein intake. Multiple comparisons were made using the general linear model for analysis, and once classified, the data were analyzed using by the multivariate general linear model.
Results: Protein intake (grams/day) of the elderly living alone (mean±standard error, 47.91±1.47) and the elderly living with children (50.49±2.79) was lower than that of the elderly living with a spouse (59.73±1.18) (P<0.001). Although varying in accordance with groups, on the whole, nutrient intake was lowest in elderly women living alone. Protein intake was high in nondrinking and healthy elders, and in those consuming a greater amount of food, energy (calories), and lipids. On the contrary, it was low in those consuming a greater amount of carbohydrates.
Conclusion: Protein intake was low in the elderly living alone and the elderly living with children, and nutrient intake was lowest in elderly women living alone. The factors affecting protein intake in the elderly include drinking, health status, and intake of food, energy, lipids, and carbohydrates.
Keywords: Frailty; Elderly; Protein; Nutrient; Family
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