Prevalence of Chronic Diseases by Cognitive Function Level and Age Group Among Middle-Aged and Older Korean Adults

IF 2.8 3区医学 Q2 GERIATRICS & GERONTOLOGY

International Journal of Geriatric Psychiatry Pub Date : 2025-09-25 DOI:10.1002/gps.70159

Sanghun Nam, Sojung Park, Suyeong Bae, Ickpyo Hong

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Abstract

Objectives

This study aimed to investigate the age-dependent association between new cognitive classification and chronic diseases among middle-aged and older adults using Poisson regression analysis.

Methods

We included 6940 people from the 2018 Korean Longitudinal Study of Aging. Cognitive status was classified as normal, moderate, and severe based on the participants' Korean Mini-Mental State Examination scores and instrumental activities of daily living. Poisson regression analysis was performed to predict the number of chronic diseases in middle-aged and older adults with grade three cognitive status. The number of predicted events at each cognitive level was calculated according to age.

Results

In the normal cognitive group, most of the participants were females 2515 (54.03), and the average age was 66.50 (SD = 8.62). Compared to the normal cognitive group (n = 4665), the incidence of chronic disease in the moderate cognitive impairment group (n = 1316) was 0.07 times that of the normal group, whereas, in the severe cognitive impairment group (n = 420), it was 0.21 times that of the normal group.

Conclusions

Higher levels of cognitive impairment and older age were associated with a higher probability of having multiple chronic conditions. The study findings highlight the importance of integrative care with cognitive function and age in managing multiple chronic conditions.

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韩国中老年人慢性疾病的认知功能水平和年龄组

目的应用泊松回归分析探讨中老年人新认知分类与慢性疾病之间的年龄依赖性关系。方法：我们纳入了2018年韩国老龄化纵向研究的6940人。根据受试者的韩国精神状态测试分数和日常生活工具活动将认知状态分为正常、中度和重度。采用泊松回归分析预测三级认知状态的中老年人群中慢性疾病的数量。在每个认知水平预测事件的数量是根据年龄计算的。结果正常认知组以女性2515人（54.03人）居多，平均年龄66.50岁（SD = 8.62）。与正常认知组（n = 4665）相比，中度认知障碍组（n = 1316）的慢性疾病发生率是正常组的0.07倍，重度认知障碍组（n = 420）是正常组的0.21倍。结论：认知障碍水平越高，年龄越大，患多种慢性疾病的可能性越大。该研究结果强调了认知功能和年龄在治疗多种慢性疾病中的综合护理的重要性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Geriatric Psychiatry 医学-精神病学

CiteScore

6.10

自引率

2.50%

发文量

168

审稿时长

4-8 weeks

期刊介绍： The rapidly increasing world population of aged people has led to a growing need to focus attention on the problems of mental disorder in late life. The aim of the Journal is to communicate the results of original research in the causes, treatment and care of all forms of mental disorder which affect the elderly. The Journal is of interest to psychiatrists, psychologists, social scientists, nurses and others engaged in therapeutic professions, together with general neurobiological researchers. The Journal provides an international perspective on the important issue of geriatric psychiatry, and contributions are published from countries throughout the world. Topics covered include epidemiology of mental disorders in old age, clinical aetiological research, post-mortem pathological and neurochemical studies, treatment trials and evaluation of geriatric psychiatry services.