Ho-Joong Kim1, Saejong Park2, Soo-Hyun Park2, Young Woo Heo1, Bong-Soon Chang3, Choon-Ki Lee3, Jin S Yeom4,5. 1. Spine Center and Department of Orthopedic Surgery, Seoul National University College of Medicine and Seoul National University Bundang Hospital, 166 Gumiro, Bundang-gu, Sungnam, 463-707, Republic of Korea. 2. Division of Sports Science, Korea Institute of Sports Science, 727 Hwarang-lo, Nowon-gu, Seoul, 139-242, Republic of Korea. 3. Department of Orthopaedic Surgery, Seoul National University College of Medicine and Seoul National University Hospital, 101 Daehangno, Jongno-gu, Seoul, 110-744, Republic of Korea. 4. Spine Center and Department of Orthopedic Surgery, Seoul National University College of Medicine and Seoul National University Bundang Hospital, 166 Gumiro, Bundang-gu, Sungnam, 463-707, Republic of Korea. highcervical@gmail.com. 5. Division of Sports Science, Korea Institute of Sports Science, 727 Hwarang-lo, Nowon-gu, Seoul, 139-242, Republic of Korea. highcervical@gmail.com.
Abstract
PURPOSE: Firstly, to investigate the prevalence of frailty and impact on health-related quality of life (HRQOL) in a Korean community-dwelling elderly population using the Fried frailty criteria; secondly, to investigate the associations among frailty, socioeconomic status (SES), and HRQOL of the Korean community-based population; and thirdly, to analyze the relationship between education, income, and frailty. METHODS: Nine hundred and sixty-four apparently heathy subjects from the Korean community-based population were enrolled in this prospective cross-sectional study. Using self-reported questionnaires, demographic data, SES, and HRQOL were evaluated. Frailty status was determined according to the Fried frailty criteria. After adjustment of covariates including age, sex, and BMI, multivariate linear regression analyses were conducted to assess each component of the proposed mediation models, and mediation was also verified by the bootstrapping technique. RESULTS: Among the 964 participants, 530 (55.0%), 399 (41.4%), and 35 (3.6%) participants were classified into the robust, pre-frailty, and frailty group, respectively. The frail group demonstrated significantly lower HRQOL. Participants with lower income or education level had significantly higher chances of being frail. Frailty acted as a mediator in this association between low SES (education and income) and low HRQOL. Furthermore, income contributed most to the explanation of educational differences in frailty, suggesting full mediation. CONCLUSION: Frailty has a significant negative influence on HRQOL in the community-based elderly population, and acts as a mediator between SES and HRQOL. As a mediator, income can explain educational difference related with the frailty.
PURPOSE: Firstly, to investigate the prevalence of frailty and impact on health-related quality of life (HRQOL) in a Korean community-dwelling elderly population using the Fried frailty criteria; secondly, to investigate the associations among frailty, socioeconomic status (SES), and HRQOL of the Korean community-based population; and thirdly, to analyze the relationship between education, income, and frailty. METHODS: Nine hundred and sixty-four apparently heathy subjects from the Korean community-based population were enrolled in this prospective cross-sectional study. Using self-reported questionnaires, demographic data, SES, and HRQOL were evaluated. Frailty status was determined according to the Fried frailty criteria. After adjustment of covariates including age, sex, and BMI, multivariate linear regression analyses were conducted to assess each component of the proposed mediation models, and mediation was also verified by the bootstrapping technique. RESULTS: Among the 964 participants, 530 (55.0%), 399 (41.4%), and 35 (3.6%) participants were classified into the robust, pre-frailty, and frailty group, respectively. The frail group demonstrated significantly lower HRQOL. Participants with lower income or education level had significantly higher chances of being frail. Frailty acted as a mediator in this association between low SES (education and income) and low HRQOL. Furthermore, income contributed most to the explanation of educational differences in frailty, suggesting full mediation. CONCLUSION: Frailty has a significant negative influence on HRQOL in the community-based elderly population, and acts as a mediator between SES and HRQOL. As a mediator, income can explain educational difference related with the frailty.
Entities:
Keywords:
Educational attainment; Frail; Fried frailty criteria; Health-related quality of life; Income
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