| Macrosomia in Singleton Births in Korea, 2010~2011 |
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박상화1, 임달오2 |
1서울대학교 의학연구원 인구의학연구소
2서울과학기술대학교 |
| 우리나라 단태 거대아 출생에 관한 연구, 2010~2011 |
|
박상화1, 임달오2 |
1서울대학교 의학연구원 인구의학연구소
2서울과학기술대학교 |
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| Abstract |
Objectives
This study was performed to investigate the incidence of macrosomia (≥4.0 kg),1993~2011, and the risk of macrosomia by analyzing 2010~2011 singleton birth certificated data(912,480 births) from Statistics Korea.
Methods
Odds ratio (OR) and 95% confidence intervals were calculated from multivariate logisticregression analyses to describe the association between macrosomia and risk factors.
Results
The incidence rate of macrosomia in total births decreased from 6.7 percent in 1993~94to 3.5 percent in 2010~2011. Male infants had a significantly higher odds ratio for macrosomia(OR: 1.78, 95% CI: 1.74~1.82, p<0.01). The risk of macrosomia in post-term gestation (≥42weeks) was 2.44 (2.12~2.81, p<0.01), compared with preterm & term gestation. Compared towomen aged ≤29 years old, the odds ratio of macrosomia were 1.14 for 30~34 years old, 1.23for age 35~39 years old, and 1.25 for 40~44 years old. The risk of macrosomia was 1.05 (1.02~1.07, p<0.01) for the second birth order and 1.41 (1.36~1.46, p<0.01) for the third and over birthorder, compared with the first birth order. A slight increase in the rate of macrosomia by birthseason was observed in spring (3.6 percent), and winter (3.9 percent), compared with summer(3.4 percent). Compared with maternal occupation (reference group: managers etc.), women whowere service workers had increased OR (1.07) of macrosomia. Risk of macrosomia was higher inmothers with high school than that of middle school educational level.
Conclusions
There were significantly association between macrosomia and risk factors (infantilesex, birth order, post-term gestation, maternal age and season of birth). |
| Key Words:
macrosomia, birth weight, risk factor |
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