10-year follow-up study on medical expenses and medical care use according to biological age: National Health Insurance Service Health Screening Cohort (NHIS-HealS 2002~2019)

Chul-young Bae, Bo-seon Kim, Kyung-hee Cho, In-hee Kim, Jeong-hoon Kim and Ji-hyun Kim

PLOS ONE, 2023, vol. 18, issue 3, 1-14

Abstract: Objectives: The world is witnessing a sharp increase in its elderly population, accelerated by longer life expectancy and lower birth rates, which in turn imposes enormous medical burden on society. Although numerous studies have predicted medical expenses based on region, gender, and chronological age (CA), any attempt has rarely been made to utilize biological age (BA)—an indicator of health and aging—to ascertain and predict factors related to medical expenses and medical care use. Thus, this study employs BA to predict factors that affect medical expenses and medical care use. Materials and methods: Referring to the health screening cohort database of the National Health Insurance Service (NHIS), this study targeted 276,723 adults who underwent health check-ups in 2009−2010 and kept track of the data on their medical expenses and medical care use up to 2019. The average follow-up period is 9.12 years. Twelve clinical indicators were used to measure BA, while the total annual medical expenses, total annual number of outpatient days, total annual number of days in hospital, and average annual increases in medical expenses were used as the variables for medical expenses and medical care use. For statistical analysis, this study employed Pearson correlation analysis and multiple regression analysis. Results: Regression analysis of the differences between corrected biological age (cBA) and CA exhibited statistically significant increases (p

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0282466

DOI: 10.1371/journal.pone.0282466

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