The Risk Factors of COVID-19 Infection and Mortality among Older Adults in South Korea

BACKGROUND

This study aimed to identify the risk factors associated with coronavirus disease 2019 (COVID-19) infection and mortality among older adults in South Korea.

METHODS

Using Korean National Health Insurance data from January 1, 2020, to March 31, 2022, we analyzed the impact of various factors, including age, comorbidity burden, and insurance type, on COVID-19 infection and mortality rates.

RESULTS

Age was the most significant risk factor for mortality in older adults. A higher comorbidity burden was also associated with increased infection (odds ratio [OR]=1.33 for Charlson Comorbidity Index [CCI] ≥2, 95% confidence interval [CI] 1.321-1.339) and mortality (OR=1.537 for CCI ≥2, 95% CI 1.459-1.618) rates. While Medical Aid recipients exhibited lower infection rates (OR=0.898, 95% CI 0.89-0.906) than National Health Insurance beneficiaries, they had higher mortality rates (OR=1.692, 95% CI 1.623-1.763).

CONCLUSION

These results emphasized the need to prioritize vaccination and allocate healthcare resources for older adults, particularly those with multiple comorbidities. Addressing socioeconomic disparities and ensuring equitable access to testing and healthcare services are crucial for mitigating the impact of COVID-19 on older adults.

Development of Self-Management Pictorial Health Information and Comparison of Korean Patients' With Chronic Obstructive Pulmonary Disease and Health Care Professionals' Perceptions

The current study aimed to evaluate pictorial health information (HI) in chronic obstructive pulmonary disease (COPD) patient self-management. Each of 14 literal examples of COPD HI was transformed into three pictorials. The preliminary pictorial COPD HI was validated by 10 experts. In total, 60 patients with COPD and 50 health care professionals (HCPs) were selected to perceive the intended meanings in the pictorial HI. All 42 pictures scored ≥0.8 on the content validity index. Patients chose pictorial HI with descriptions of subjective expressions or those that reflected a patient's actual life, whereas HCPs selected HI that was described in simple, direct, and abstract expressions. Results indicate that HCPs are better suited to provide real life-friendly pictorial HI to patients with COPD. Therefore, it is expected that developing pictograms with patients with COPD could help convey intended meanings. [Journal of Gerontological Nursing, 48(10), 41-46.].