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- Gender differences in hepatitis A seropositivity rates according to the Republic of Korea’s vaccination policy
- Hyunjin Son, Sunhyun Ahn, Wonseo Park, Gayoung Chun, Unyeong Go, Sang Gon Lee, Eun Hee Lee
- Osong Public Health Res Perspect. 2024;15(2):168-173. Published online April 16, 2024
- DOI: https://doi.org/10.24171/j.phrp.2023.0263
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Graphical Abstract
Abstract
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- Objectives
This study aimed to investigate differences in the anti-hepatitis A virus (HAV) antibody seropositivity rate by age and gender. Methods: We collected information on anti-HAV immunoglobulin G and immunoglobulin M status from samples submitted for HAV antibody testing in 2012–2022. A total of 1,333,615 cases were included in the analysis. Results: By age, the seropositivity rate was represented by a U-shaped curve, such that the rate was low for the group aged 20 to 39 years and higher in those who were younger or older. Over time, the curve shifted rightward, and the seropositivity rate declined gradually in the group aged 35 to 39 years and older. A gender-based difference in antibody seropositivity rate was especially noticeable in the group aged 20 to 29 years. This difference between genders widened in the participants’ early 20s—when men in the Republic of Korea enlist in the military—and the divergence continued subsequently for older individuals. Conclusion: These results indicate a higher risk of severe infection among older individuals and a gender-based difference in seroprevalence. Therefore, it is necessary to implement policies to promote vaccination in adults.
Original Article
- Tuberculosis Notification Completeness and Timeliness in the Republic of Korea During 2012–2014
- Hae-Young Kang, Hyosoon Yoo, Wonseo Park, Unyeong Go, Eunkyeong Jeong, Ki-Suck Jung, Hyunjin Son
- Osong Public Health Res Perspect. 2016;7(5):320-326. Published online October 31, 2016
- DOI: https://doi.org/10.1016/j.phrp.2016.08.002
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- 19 Crossref
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Abstract
PDF
- Objectives
Completeness and timeliness are key attributes of accurate disease surveillance. This study aimed to evaluate the completeness and timeliness of tuberculosis (TB) notification in the Republic of Korea, by comparing notification data from the Korean National Tuberculosis Surveillance System and reimbursement data from the National Health Insurance.
Methods
We evaluated reimbursement data from 103,075 cases (2012–2014) and surveillance data from 215,055 cases (2011–2015); cases were matched using Resident Registration Numbers. Completeness was evaluated using notifications that were reported within 365 days of the corresponding insurance claim. Timeliness was evaluated using the delay between starting TB treatment and the corresponding notification. Multivariate logistic regression analysis was used to analyze factors that affected completeness (e.g., sex, age, institution type, and nationality).
Results
The completeness values were 90.0% in 2012 (33,094/36,775), 93.0% in 2013 (31,445/33,803), and 94.0% in 2014 (30,537/32,497). The rates of notification within 7 days of the corresponding claim were 81.6% in 2012 (27,323/33,489), 79.8% in 2013 (25,469/31,905), and 80.4% in 2014 (24,891/30,978). Increases over time were observed in the sex-, age-, institution type-, and nationality-specific analyses. Multivariate analyses revealed that completeness was affected by institution type [hospitals: odds ratio (OR) = 1.82, p < 0.001; general hospitals: OR = 4.18, p < 0.001] and nationality (native Korean status: OR = 1.48, p < 0.001).
Conclusion
Notification completeness exhibited a 4.0% increase during 2012–2014 in Korea, and institution type and nationality significantly affected the completeness of TB notifications. -
Citations
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