Author:
Lim Ga-Young,Jung Na Young,Jun Kyo Yeon,Kang Ji Yeon,Kim Mi Kyung,Lee Hye-Eun,Kim Myoung-Hee,Song Jaechul,Kim Inah,Kim Yu-Mi
Abstract
Abstract
Background
Although unintentional pregnancy loss is common, national representative statistics are lacking in high-income East Asian countries undergoing rapid demographic changes. It is necessary to confirm the income inequality of pregnancy loss even in universal national health insurance.
Method
Using National Health Insurance Service data between 2008 and 2014, the annual prevalence of pregnancy loss was enumerated, and differences in pregnancy loss according to age and income levels were assessed by multivariable Poisson regression. Joint-point regression was used to examine the trend of pregnancy loss.
Result
On average, there was a 15.0% annual pregnancy loss among 3,941,020 pregnancy cases from 2008 to 2014. Pregnancy loss inequality increased stepwise with income levels except for the highest income group. After adjusting for income levels, the annual percent change of age-standardized prevalence significantly increased by 2.6% every year since 2011.
Conclusion
Even in high-income countries with universal national health insurance, income inequality in pregnancy loss is observed. Further appraisal is needed to explain the increasing trend of pregnancy loss between 2011 and 2014 even after adjusting income.
Publisher
Springer Science and Business Media LLC
Subject
Public Health, Environmental and Occupational Health
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