• Yeun-Soon Choi, Mi-Ji Kim, Gyeong-Ye Lee, Young-Mi Seo, Ae-Rim Seo, Bokyoung Kim, Jun-Il Yoo, and Ki Soo Park.
• Department of Preventive Medicine, Institute of Health Sciences, College of Medicine Gyeongsang National University, Jinju-si, Jinju 52727, Korea.
• Int J Environ Res Public Health. 2019 Jul 11; 16 (14).

BackgroundThe rapid increase in the elderly population in Korea is associated with an expanded burden of health problems. The purpose of this study was to investigate the association between frailty and physical disability among Koreans using the frailty index, which was developed to assess health conditions in elderly people.MethodsWe included 503 elderly people from the Namgaram-II cohort. We used the Korean version of the Kaigo-Yobo checklist as our frailty assessment tool. For the disability assessment tool, we used the Korean version of the 12-item World Health Organization Disability Assessment Schedule (WHODAS-12). We fit multiple linear regression models for men and women for each section. Our models also included variables for musculoskeletal diseases that are known to be associated with frailty, such as sarcopenia, osteoporosis, and radiologic knee osteoarthritis.ResultsAfter correcting for social demographic characteristics, blood profiles, high blood pressure, and diabetes, the Kaigo-Yobo results showed a significant difference in frailty between men (1.53 ± 0.74) and women (2.60 ± 0.77), and WHODAS-12 also showed a significant difference between men (6.59 ± 5.08) and women (15.99 ± 5.70). After correcting for social demographic characteristics, blood profiles, high blood pressure, and diabetes, Kaigo-Yobo and WHODAS-12 were significantly associated with each other among both men (β = 2.667) and women (β = 3.200) (p < 0.001).ConclusionsThe study results show an association between frailty and disability among elderly people in rural areas. Therefore, prevention should occur at the pre-frailty stage of a person's life to prevent further disability. Also, disability welfare programs should be provided to elderly people who present with frailty.

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