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The Effect of Socioeconomic Status on All-Cause Maternal Mortality: A Nationwide Population-Based Cohort Study

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  • Wonjeong Jeong

    (Department of Public Health, Graduate School, Yonsei University, Seoul 03722, Korea
    Institute of Health Services Research, Yonsei University, Seoul 03722, Korea)

  • Sung-In Jang

    (Institute of Health Services Research, Yonsei University, Seoul 03722, Korea
    Department of Preventive Medicine, College of Medicine, Yonsei University, Seoul 03722, Korea)

  • Eun-Cheol Park

    (Institute of Health Services Research, Yonsei University, Seoul 03722, Korea
    Department of Preventive Medicine, College of Medicine, Yonsei University, Seoul 03722, Korea)

  • Jin Young Nam

    (Department of Public Health Science, BK21PLUS Program in Embodiment, Health-Society Interaction, Graduate School, Korea University, Seoul 02841, Korea)

Abstract

Improving maternal health is one of the 13 targets of Sustainable Development Goal 3; consequently, preventing maternal death, which usually occurs in women’s prime productive years, is an important issue that needs to be addressed immediately. This study examines the association between socioeconomic status and all-cause maternal mortality in South Korea and provides evidence of preventable risk factors for maternal death. For this population-based retrospective cohort study, data on 3,334,663 nulliparous women were extracted from the Korean National Health Insurance Service database between 2003 and 2018. The outcome variables were all-cause maternal mortality within six weeks and a year after childbirth. A log-binomial regression model determined the association between maternal mortality and income-level adjusted covariates. Women with lower income levels had higher risk of maternal death within six weeks (risk ratio (RR) = 2.42, 95% confidence interval (CI) = 1.65–3.53) and within one year (RR = 1.83, 95% CI = 1.47–2.28), especially those who were aged 35–39 years, lived in rural areas, delivered via cesarean section, and had maternal comorbidities. The study identifies a significant relationship between South Korean primiparas’ socioeconomic status and maternal death within six weeks or one year after childbirth, suggesting interventions to alleviate the risk of maternal death.

Suggested Citation

  • Wonjeong Jeong & Sung-In Jang & Eun-Cheol Park & Jin Young Nam, 2020. "The Effect of Socioeconomic Status on All-Cause Maternal Mortality: A Nationwide Population-Based Cohort Study," IJERPH, MDPI, vol. 17(12), pages 1-13, June.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:12:p:4606-:d:376788
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    References listed on IDEAS

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    1. Thaddeus, Sereen & Maine, Deborah, 1994. "Too far to walk: Maternal mortality in context," Social Science & Medicine, Elsevier, vol. 38(8), pages 1091-1110, April.
    2. Haijun Wang & Fang Ye & Yan Wang & Dale Huntington & the study group for Economic Impact of Maternal Deaths in China, 2013. "Economic Impact of Maternal Death on Households in Rural China: A Prospective Cohort Study," PLOS ONE, Public Library of Science, vol. 8(10), pages 1-9, October.
    3. Fang Ye & Haijun Wang & Dale Huntington & Hong Zhou & Yan Li & Fengzhi You & Jinhua Li & Wenlong Cui & Meiling Yao & Yan Wang & the study team for Economic Impact of Maternal Deaths in China, 2012. "The Immediate Economic Impact of Maternal Deaths on Rural Chinese Households," PLOS ONE, Public Library of Science, vol. 7(6), pages 1-7, June.
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    1. Luc Onambele & Wilfrido Ortega-Leon & Sara Guillen-Aguinaga & Maria João Forjaz & Amanuel Yoseph & Laura Guillen-Aguinaga & Rosa Alas-Brun & Alberto Arnedo-Pena & Ines Aguinaga-Ontoso & Francisco Guil, 2022. "Maternal Mortality in Africa: Regional Trends (2000–2017)," IJERPH, MDPI, vol. 19(20), pages 1-20, October.

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