Osong Public Health Res Perspect.  2024 Apr;15(2):150-158. 10.24171/j.phrp.2023.0194.

COVID-19 infection among people with disabilities in 2021 prior to the Omicron-dominant period in the Republic of Korea: a cross-sectional study

Affiliations
  • 1Division of Infectious Disease Control, Bureau of Infectious Disease Policy, Korea Disease Control and Prevention Agency, Cheongju, Republic of Korea

Abstract


Objectives
This study investigated the characteristics of coronavirus disease 2019 (COVID-19) among individuals with disabilities on a nationwide scale in the Republic of Korea, as limited research has examined this population.
Methods
Between January 1 and November 30, 2021, a total of 5,687 confirmed COVID-19 cases among individuals with disabilities were reported through the Korea Disease Control and Prevention Agency’s COVID-19 web reporting system. Follow-up continued until December 24, and demographic, epidemiological, and clinical characteristics were analyzed.
Results
Individuals with disabilities represented approximately 1.5% of confirmed cases, with a mean age of 58.1 years. Most resided in or near metropolitan areas (86.6%) and were male (60.6%). Frequent sources of infection included home (33.4%) and contact with confirmed cases (40.7%). Many individuals (75.9%) had underlying conditions, and 7.7% of cases were severe. People with disabilities showed significantly elevated risk of severe infection (adjusted odds ratio [aOR], 1.63; 95% confidence interval [CI], 1.47–1.81) and mortality (aOR, 1.65; 95% CI, 1.43–1.91). Vaccination against COVID-19 was associated with significantly lower risk of severe infection (aORs for the first, second, and third doses: 0.6 [95% CI, 0.42–0.85], 0.28 [95% CI, 0.22–0.35], and 0.16 [95% CI, 0.05–0.51], respectively) and death (adjusted hazard ratios for the first and second doses: 0.57 [95% CI, 0.35–0.93] and 0.3 [95% CI, 0.23–0.40], respectively).
Conclusion
Individuals with disabilities showed higher risk of severe infection and mortality from COVID-19. Consequently, it is critical to strenghthenCOVID-19 vaccination initiatives and provide socioeconomic assistance for this vulnerable population.

Keyword

COVID-19; COVID-19 vaccines; Disabled persons; SARS-CoV-2
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