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Bomi Park 3 Articles
Multimorbidity adjusted years lost to disability rates calculated through Monte-Carlo simulation in Korea
Yoonhee Shin, Eun Jeong Choi, Bomi Park, Hye Ah Lee, Eun-Kyung Lee, Hyesook Park
Epidemiol Health. 2022;44:e2022090.   Published online October 17, 2022
DOI: https://doi.org/10.4178/epih.e2022090
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AbstractAbstract PDF
Abstract
OBJECTIVES
To efficiently utilize limited health and medical resources, it is necessary to accurately measure the level of health, which requires estimating the multimorbidity-corrected burden of disease.
METHODS
This study used 2015 and 2016 data from the National Health Insurance Service, and employed the list of diseases defined in a Korean study of the burden of disease, the criteria for prevalence, and the “cause–sequelae–health state” disease system. When calculating the years lost to disability (YLD), multimorbidity was corrected using Monte-Carlo simulation.
RESULTS
Correcting for multimorbidity changed YLD at all ages in Korea by -1.2% (95% confidence interval [CI], -24.1 to 3.6) in males and -12.4% (95% CI, -23.0 to 0.3) in females in 2015, and by -10.8% (95% CI, -24.1 to 4.6) in males and -11.1% (95% CI, -22.8 to 1.7) in females in 2016. The YLD rate for non-communicable diseases in males decreased more than that of other disease groups in both years, by -11.8% (95% CI, -19.5 to 3.6) and -11.5% (95% CI, -19.3 to -3.0), respectively. The overall YLD rate changed by -1.3% in the 5-year to 9-year age group, and the magnitude of this change remained similar until the 10-19-year age group, gradually decreased after 20 years of age, and steeply increased to more than 10% in those aged 60 and older.
CONCLUSIONS
Calculations of YLD should adjust for multimorbidity, as the disease burden can otherwise be overestimated for the elderly, who tend to exhibit a high prevalence of multimorbidity.
Summary
Korean summary
Key Message
Changes in eating behaviors according to household income in adolescents during the COVID-19 pandemic: Findings from the Korea National Health and Nutrition Examination Survey
Hye Ah Lee, Ho Jung Lee, Bomi Park, Yoonhee Shin, Hyunjin Park, Hyesook Park
Epidemiol Health. 2022;e2022102.   Published online November 9, 2022
DOI: https://doi.org/10.4178/epih.e2022102    [Accepted]
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  • 21 Download
AbstractAbstract PDF
Abstract
Objectives
To assess the social inequalities in changes of dietary behaviors among adolescents during the COVID-19 pandemic, we compared changes in dietary behavior indicators by household income.
Methods
Using cross-sectional data from the 2019 and 2020 Korea National Health and Nutrition Examination Survey, the prevalence of dietary behaviors in adolescents (12-18 years old) was estimated and changes in dietary behaviors before and after the COVID-19 pandemic were evaluated. We assessed changes in dietary behaviors with a household income (as a measure of socioeconomic status [SES]) disparity.
Results
During the COVID-19 pandemic, average consumption of vegetables has decreased and food insecurity has worsened. Adolescents were more likely to skip breakfast than before COVID-19 (33.1 % and 37.4 %). Soft drink consumption also increased in 2020 than in 2019 (7.6 % and 14.8 %), especially among boys. Average sugar intake and sodium intake showed a tendency to decrease only in girls, but there was no difference according to SES level. Skip breakfast was particularly evident in the low SES group, and the difference according to household income level (high vs. low) was greater after COVID-19 than before. The prevalence of soft drink consumption increased significantly in low SES group, but the rate of increase did not differ by SES level.
Conclusions
We found that the social disparity in skipping breakfast was further aggravated. For a better understanding of the dietary behaviors of adolescents, continuous monitoring is necessary.
Summary
Korean summary
Key Message
Trends in breast cancer screening rates among Korean women: results from the Korean National Cancer Screening Survey (KNCSS), 2005-2020
Soo Yeon Song, Yun Yeong Lee, Hye Young Shin, Bomi Park, Mina Suh, Kui Son Choi, Jae Kwan Jun
Epidemiol Health. 2022;e2022111.   Published online November 24, 2022
DOI: https://doi.org/10.4178/epih.e2022111    [Accepted]
  • 453 View
  • 31 Download
AbstractAbstract PDF
Abstract
Objectives
Since 2002, the Korean government has provided breast cancer screening as part of the National Cancer Screening Program. This study reported the screening rate trends among Korean women from 2005 to 2020, including organized and opportunistic screening for breast cancer.
Methods
Data from the Korean National Cancer Screening Survey, an annual cross-sectional nationwide survey, was collected using a structured questionnaire between 2005 and 2020. The study population included 23,702 women aged 40–74 years with no history of cancer. We estimated the screening rate with the current recommendation of biennial mammographic screening for breast cancer. In addition, a joinpoint trend analysis was performed for breast cancer screening rates using subgroup analysis.
Results
In 2020, the breast cancer screening rate was 63.5%, which showed an annual increase of 7.72% (95% confidence interval 5.53% to 9.95%) between 2005 and 2012, followed by non-significant trends thereafter. In particular, a significant decrease in the breast cancer screening rate was observed in the subgroups aged 50–59 years old, with 12–15 years of education, and living in rural areas.
Conclusions
Although there has been substantial improve in breast cancer screening rates in Korean women, the recent trend has flattened. Therefore, efforts are continually required to find out unmet subgroups and solve barriers for uptake of breast cancer screening.
Summary
Korean summary
Key Message

Epidemiol Health : Epidemiology and Health