Effects of Socioeconomic Status and Residence Areas on Long-Term Survival in Patients With Early-Onset Dementia: The Korean National Health Insurance Service Database Study

• DOI: 10.3346/jkms.2022.37.e354
• Publication Date: 2022-12-12T04:19:17Z
• Authors: Dougho Park; Kang Ju Son; Eunhwan Jeong; Haejong Kim; Su Yun Lee; Jong Hun Kim; Hyoung Seop Kim
• Keywords: National Health Insurance

Early-onset dementia (EOD) is still insufficiently considered for healthcare policies. We investigated the effect of socio-environmental factors on long-term survival patients with EOD. This retrospective cohort study utilized Korean National Health Insurance Database from 2007 to 2018. enrolled 3,825 aged 40 65 years old all types newly diagnosed in 2009 as EOD cases. defined socioeconomic status using national health insurance premium (NHIP) levels. Residential areas were classified into capital, metropolitan, city, and county All-cause mortality was primary outcome. Kaplan-Meier curves log-rank tests employed. Further, Cox-proportional hazards models established. The mean fourth NHIP level group 96.31 ± 1.20 months, whereas that medical-aid 85.53 1.30 months (P < 0.001). living capital had a 95.73 1.34 those 89.66 1.75 = 0.035). In model, (adjusted hazard ratio [aHR], 1.67; P 0.001), first (aHR, 1.26; 0.012), second 0.008) groups significantly associated higher risk. residents exhibited lower risk than did 0.82; 0.041). Socioeconomic residential area are provides rational basis establishing policy