Journal of Preventive Medicine and Public Health

Brief Report

Life Expectancy and Inequalities Therein by Income From 2016 to 2018 Across the 253 Electoral Constituencies of the National Assembly of the Korea: Jinwook Bahk, Hee-Yeon Kang, Young-Ho Khang; J Prev Med Public Health. 2020;53(2):143-148. Published online March 5, 2020; DOI: https://doi.org/10.3961/jpmph.20.050

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Objectives
We calculated life expectancy and inequalities therein by income for the period of 2016-2018 across the 253 electoral constituencies of the 20th National Assembly election in Korea.
Methods
We obtained population and death data between 2016 and 2018 from the National Health Information Database and constructed abridged life tables using standard life table procedures according to gender and income quintiles for the electoral constituencies of the 20th National Assembly election held in 2016.
Results
Life expectancy across the 253 constituencies ranged from 80.51 years to 87.05 years, corresponding to a gap of 6.54 years. The life expectancy difference by income across the 253 constituencies ranged from 2.94 years to 10.67 years. In each province, the difference in life expectancy by income across electoral constituencies was generally greater than the inter-constituency differences. Constituencies in capital and metropolitan areas showed a higher life expectancy and a lower life expectancy difference by income than constituencies in rural areas.
Conclusions
Pro-rich inequalities in life expectancy by income existed in every electoral constituency in Korea. Both intra-constituency and inter-constituency socioeconomic inequalities in health should be highlighted in future policy-making in the National Assembly.

Summary

Korean summary
이 연구는 2016년 치뤄진 제20대 국회의원 선거구 253개에서 2016-2018년의 기대수명을 산출하고, 소득 상위 20%와 소득 하위 20% 간 기대수명 격차를 제시하였다. 연구 결과, 253개 모든 선거구에서 소득 상위 20%가 소득 하위 20%보다 기대수명이 높게 나타났으며, 선거구 내의 소득에 따른 기대수명 격차가 선거구들 간의 기대수명 차이보다 더 큰 경향을 보였다. 기대수명의 선거구 간 격차를 줄이고, 선거구 내의 소득 계층 간 기대수명 격차를 해소하기 위한 입법적 조치를 마련하는 데에 이 연구의 결과가 근거자료로 유용하게 사용되기를 기대한다.

Citations

Citations to this article as recorded by

Spatio-temporal Analysis of District-level Life Expectancy from 2004 to 2017 in Korea
Hwa-Kyung Lim, Hee-Yeon Kang, Ikhan Kim, Young-Ho Khang
Journal of Korean Medical Science.2021;[Epub] CrossRef
Cancer-free Life Expectancy in Small Administrative Areas in South Korea and Its Associations with Regional Health Insurance Premiums
Eunjeong Noh, Hee-Yeon Kang, Jinwook Bahk, Ikhan Kim, Young-Ho Khang
Journal of Korean Medical Science.2021;[Epub] CrossRef
Income-Related Mortality Inequalities and Its Social Factors among Middle-Aged and Older Adults at the District Level in Aging Seoul: An Ecological Study Using Administrative Big Data
Minhye Kim, Suzin You, Jong-sung You, Seung-Yun Kim, Jong Heon Park
International Journal of Environmental Research and Public Health.2021; 19(1): 383. CrossRef

Original Articles

Trends in Inequality in Cigarette Smoking Prevalence by Income According to Recent Anti-smoking Policies in Korea: Use of Three National Surveys: Youngs Chang, Sanghyun Cho, Ikhan Kim, Jinwook Bahk, Young-Ho Khang; J Prev Med Public Health. 2018;51(6):310-319. Published online October 30, 2018; DOI: https://doi.org/10.3961/jpmph.18.225

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Abstract PDF Supplementary Material

Objectives
This study examined trends in inequality in cigarette smoking prevalence by income according to recent anti-smoking policies in Korea.
Methods
The data used in this study were drawn from three nationally representative surveys, the Korea National Health and Nutrition Examination Survey, the Korea Community Health Survey, and the Social Survey of Statistics Korea. We calculated the age-standardized smoking prevalence, the slope index of inequality, and the relative index of inequality by income level as a socioeconomic position indicator.
Results
Smoking prevalence among men decreased during the study period, but the downward trend became especially pronounced in 2015, when the tobacco price was substantially increased. Inequalities in cigarette smoking by income were evident in both genders over the study period in all three national surveys examined. Absolute inequality tended to decrease between 2014 and 2015 among men. Absolute and relative inequality by income decreased between 2008 and 2016 in women aged 30-59, except between 2014 and 2015.
Conclusions
The recent anti-smoking policies in Korea resulted in a downward trend in smoking prevalence among men, but not in relative inequality, throughout the study period. Absolute inequality decreased over the study period among men aged 30-59. A more aggressive tax policy is warranted to further reduce socioeconomic inequalities in smoking in young adults in Korea.

Summary

Citations

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Area Specific Gap in Current Male Smoking and Factors Associated with a Secondary Data Analysis Based on a Socio-Ecological Model
Soo Kyung Jeong, Gye Ae Kim, Min Kyung Lim, Youn Hee Kim, Cho Hee Choi, Sang Mi Lee, Hun Jae Lee
Journal of the Korean Society for Research on Nicotine and Tobacco.2022; 13(1): 20. CrossRef
Current Use of Heated Tobacco Products and Its Association with Socioeconomic Factors in Korean Adults: A Study Using Community Health Survey 2019
Sung Yeol Son, Seo Young Kang, Hong-Jun Cho
Journal of the Korean Society for Research on Nicotine and Tobacco.2022; 13(4): 140. CrossRef
Trends in Alcohol Consumption for Korean Adults from 1998 to 2018: Korea National Health and Nutritional Examination Survey
Sang Young Kim, Hyun Ja Kim
Nutrients.2021; 13(2): 609. CrossRef
Tobacco price increases in Korea and their impact on socioeconomic inequalities in smoking and subsequent socioeconomic inequalities in mortality: a modelling study
Hwa-Kyung Lim, Young-Ho Khang
Tobacco Control.2021; 30(2): 160. CrossRef
Age- and cause-specific contributions to the life expectancy gap between Medical Aid recipients and National Health Insurance beneficiaries in Korea, 2008–2017
Jinwook Bahk, Hee-Yeon Kang, Young-Ho Khang, Fernando A. Wilson
PLOS ONE.2020; 15(11): e0241755. CrossRef
A Multi-Disciplinary Study Into the Drivers of Smoking Cessation in South Korea
James E. Prieger, Anna Choi
SSRN Electronic Journal.2020;[Epub] CrossRef
Investigating the Drivers of Smoking Cessation: A Role of Alternative Nicotine Delivery Systems?
Sam Hampsher, James E. Prieger
SSRN Electronic Journal .2020;[Epub] CrossRef
Long-term trends in smoking prevalence and its socioeconomic inequalities in Korea, 1992–2016
Youngs Chang, Hee-Yeon Kang, Dohee Lim, Hong-Jun Cho, Young-Ho Khang
International Journal for Equity in Health.2019;[Epub] CrossRef
Socioeconomic Inequalities in e-Cigarette Use in Korea: Comparison with Inequalities in Conventional Cigarette Use Using Two National Surveys
Youngs Chang, Sanghyun Cho, Ikhan Kim, Young-Ho Khang
International Journal of Environmental Research and Public Health.2019; 16(22): 4458. CrossRef

Associations Between Preschool Education Experiences and Adulthood Self-rated Health: Jeehye Lee, Jinwook Bahk, Young-Ho Khang; J Prev Med Public Health. 2017;50(4):228-239. Published online May 10, 2017; DOI: https://doi.org/10.3961/jpmph.16.110

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Abstract PDF Supplementary Material

Objectives
This study aimed to examine the association between preschool education experiences and adulthood self-rated health using representative data from a national population-based survey. Methods: Data from the Korean Labor and Income Panel Study in 2006 and 2012 were used. A total of 2391 men and women 21-41 years of age were analyzed. Log-binomial regression analyses were conducted to examine the associations between preschool education experience and self-rated health in adulthood. Parental socioeconomic position (SEP) indicators were considered as confounders of the association between preschool education experience and adulthood subjective health, while current SEP indicators were analyzed as mediators. Age-adjusted prevalence ratios (PRs) and the associated 95% confidence intervals (CIs) were estimated. Results: Compared with men without any experience of preschool education, those with both kindergarten and other preschool education experiences showed a lower prevalence of self-rated poor health (PR, 0.65; 95% CI, 0.47 to 0.89). In women, however, such an association was not evident. The relationship of preschool education experiences with self-rated poor health in adulthood among men was confounded by parental SEP indicators and was also mediated by current SEP indicators. After adjustment for parental and current SEP indicators, the magnitude of the associations between preschool education experiences and adulthood subjective health was attenuated in men. Conclusions: Preschool education experience was associated with adulthood self-rated health in men. However, this association was explained by parental and current SEP indicators. Further investigations employing a larger sample size and objective health outcomes are warranted in the future.

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Citations

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Self-rated health and its determinants in patients with hypertension in Isfahan in 2019
Asieh Mansouri, Alireza Khosravi Farsani, Noushin Mohammadifard, Fatemeh Nouri, Mahnaz Jozan, Ghazaal Alavi Tabatabaei, Rezvan Salehidoost, Hamed Rafiee
BMC Public Health.2024;[Epub] CrossRef

Income Differences in Smoking Prevalences in 245 Districts of South Korea: Patterns by Area Deprivation and Urbanity, 2008-2014: Ikhan Kim, Jinwook Bahk, Tae-Ho Yoon, Sung-Cheol Yun, Young-Ho Khang; J Prev Med Public Health. 2017;50(2):100-126. Published online February 9, 2017; DOI: https://doi.org/10.3961/jpmph.16.069

12,949 View
317 Download
22 Crossref

Abstract PDF Supplementary Material

Objectives
The aim of this study was to measure income differences in smoking prevalence at the district level and to investigate correlations among area deprivation, smoking prevalence, and income differences in smoking prevalence, stratified by urbanity.
Methods
Data were pooled from the Community Health Survey data of South Korea between 2008 and 2014. The age-standardized prevalence of smoking and its interquintile income differences were calculated. We conducted correlation analyses to investigate the association of the deprivation index with smoking prevalence and interquintile differences in smoking prevalence.
Results
Across 245 districts, the median prevalence of smoking in men was 45.9% (95% confidence interval [CI], 43.4 to 48.5%), with an interquartile range (IQR) of 4.6% points. In women, the median prevalence was 3.0% (95% CI, 2.4 to 3.6%) and IQR was 1.6% points. The median interquintile difference in smoking prevalence was 7.4% points (95% CI, 1.6 to 13.2% points) in men and 2.7% points (95% CI, 0.5 to 4.9% points) in women. The correlation coefficients for the association between the deprivation index and smoking prevalence was 0.58, 0.15, -0.22 in metropolitan, urban, and rural areas, respectively, among men, and 0.54, -0.33, -0.43 among women. No meaningful correlation was found between area deprivation and interquintile difference in smoking prevalence. The correlation between smoking prevalence and interquintile difference in smoking prevalence was more evident in women than in men.
Conclusions
This study provides evidence of geographical variations in smoking prevalence and interquintile difference in smoking prevalence. Neither smoking prevalence nor the deprivation index was closely correlated with interquintile income difference in smoking prevalence. Measuring inequalities in smoking prevalence is crucial to developing policies aimed at reducing inequalities in smoking.

Summary

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