The Korean Journal of Health Service Management (보건의료산업학회지)

Korea Society of Health Service Management (보건의료산업학회)
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Regional Variance of Late Preterm Birth in Seven Metropolitan Cities of Korea: 2008-2012

우리나라 대도시의 지역별 후기조기분만 발생에 관한 연구: 2008-2012

  • Lim, Dar-Oh (Korea Health Industry Development Institute) ;
  • Park, Sang-Hwa (Institute of Reproductive Medicine and Population, Medical Research Center, Seoul National University)
  • 임달오 (한국보건산업진흥원) ;
  • 박상화 (서울대학교 의학연구원 인구의학연구소)
  • Received : 2014.06.09
  • Accepted : 2014.07.11
  • Published : 2014.09.30
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Abstract

The objective of the study was to analyze the regional variance of late preterm birth (LPT: 34-36 weeks) by analyzing 2008-2012 birth certificated data of seven metropolitan cities (536,984 births: primiparous singleton birth) from Korea Statistics. The odds ratio and 95% confidence intervals were calculated from multinominal logistic regression analyses to describe the regional variance of LPT adjusted for maternal and infantile variables. The highest incidence of LPT rate by region were observed in Ulsan metropolitan city (3.7 percent), and the lowest in Deajon metropolitan city (3.1 percent). After adjustment by logistic regression for infantile sex, maternal variables, there was a significant increase in the risk of late preterm birth in Ulsan metropolitan city (odds ratio: 1.21) as compared with the incidence of LPT in Deajon metropolitan city. The odds ratio of LPT by region were 1.17 in Daegu metropolitan city, 1.13 Busan metropolitan city, and 1.12 in Incheon metropolitan city. More research is required to understand the risk factors for late preterm birth in this area including socio-demographic factors, medical factors, and regional and environmental factors.

Keywords

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