Neonatal Med.  2017 May;24(2):62-70. 10.5385/nm.2017.24.2.62.

Comparison of Birth Outcomes Based on Maternal Ethnicity in Korea: Korean, Vietnamese, and Chinese, 2010–2015

Affiliations
  • 1Department of Pediatrics, College of Medicine, Konyang University, Daejeon, Korea. limsoa@hanmail.net

Abstract

PURPOSE
The purpose of this study is to compare birth outcomes based on maternal ethnicity in Korea.
METHODS
Using the birth data of Statistics Korea from 2010 to 2015, this study selected data from infants with a Vietnamese mother and Korean father (Vietnamese/Korean group), and a Chinese mother and Korean father (Chinese/Korean group), to compare them with that of a Korean mother and Korean father (Korean/Korean group). The newborn infants' birth outcomes and parental characteristics were investigated, and trends in annual changes were compared. In addition, this study investigated whether the mother's ethnicity affected the mean birth weight.
RESULTS
Gestational age and birth weight were highest in the Chinese/Korean group, and were slightly lower in the Korean/Korean and Vietnamese/Korean group, in that order. The highest rate of preterm birth before 37 weeks and low birth weight rate were observed in the Vietnamese/Korean group; 4.62% and 4.26%, respectively. From 2010 to 2015, the mean gestational age decreased in all the three groups, and the preterm birth rate increased at gestational ages less than 37 weeks. However, the birth weight decreased only in the Korean/Korean group, but increased in the Chinese/Korean and Vietnamese/Korean groups. In addition, we found that factors such as parents' educational levels, percentage of hospital births, and appropriate maternal age improved in the Vietnamese/Korean group.
CONCLUSION
This study confirms that the mean birth weight and low birth weight rate are affected by maternal ethnicity in Korea. Therefore, careful research and active national support policies are needed.

Keyword

Ethnicity; Race; Cultural diversity; Immigrants; Birth weight; Preterm; Infants; Newborn; Gestational age

MeSH Terms

Asian Continental Ancestry Group*
Birth Weight
Continental Population Groups
Cultural Diversity
Emigrants and Immigrants
Fathers
Gestational Age
Humans
Infant
Infant, Low Birth Weight
Infant, Newborn
Korea*
Maternal Age
Mothers
Parents
Parturition*
Premature Birth
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