Yonsei University · Psychology
Professor Doo Woong Lee's research lab focuses on health economics and public health policy, with a strong emphasis on health insurance systems, mental health, and socioeconomic determinants of health outcomes in South Korea. The lab investigates the impact of national health insurance and medical assistance programs on healthcare utilization and financial protection, particularly among vulnerable populations. It also explores suicide-related trends and risk factors, including economic shocks and social inequalities, to inform preventive health policies. The lab employs rigorous econometric methods, such as difference-in-differences and propensity score matching, to analyze large-scale national survey data.
Figures are computed from collected data and may differ slightly.
Bloomberg Philanthropies and the Bill & Melinda Gates Foundation.
Bill & Melinda Gates Foundation.
Bill & Melinda Gates Foundation.
Our research provides evidence that the shift in medical coverage from NHI to MA Type I increased the number of outpatient visits without increasing the out-of-pocket spending. Considering the problem of excess medical utilization by Korean MA Type I beneficiaries, further researches are required to have in-depth discussions on the appropriateness of the current cost-sharing level on MA beneficiaries.
Suicide is becoming a public health issue in many countries, and even more so in Korea. Korea has the highest suicide rate in the Organization for Economic Cooperation and Development countries. To address these issues, we investigated the recent trends in suicidal ideation and suicide attempts among the adult population. We used data from four sources: Korean National Health and Nutrition Examination Survey (KNHANES, '2007-2012, '2013, '2015), Korean Community Health Survey (KCHS, '2008-2009, '
These results may be explained by the tendency for fathers to experience greater economic burdens than mothers in patriarchal Korean society.
A drastic reduction in household income was associated with a higher probability of suicidal ideation, with specific differences according to gender, age, previous household income level, and marital status. This study reinforces the need for social and welfare support in suicide prevention policies and programs.
We found that the highest quartile ADI was associated with greater concerns related to COVID-19. By identifying vulnerable population to concerns related to COVID-19, health systems may consider preventive intervention to mitigate mental health issues.
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