Journal of the Korean Pediatric Society 1998;41(9):1171-1179.
Published online September 15, 1998.
A Study on the Factors Affecting Neonatal Birth Weight
Eun Young Hwang1, Soo Beom Hwang1, Jin Kil Par1, Byung Mann Cho2
1Department of Pediatrics, Pusan Adventist Hospital, Pusan, Korea
2Department of Preventive Medicine, College of Medicine, Pusan National University, Pusan, Korea
신생아 출생 체중에 영향을 미치는 인자에 대한 연구
황은영1, 황수범1, 박진길1, 조병만2
1부산위생병원 소아과
2부산대학교 의과대학 예방의학교실
Correspondence: 
Eun Young Hwang, Email: 1
Abstract
Purpose
: A low birth weight(LBW) rate is associated with perinatal morbidity and mortality. Many different factors are related to birth weight and LBW. This study examined the effects of various factors on birth weight.
Methods
: The study was conducted from January 1997 to August 1997 through direct interview with mother and medical history. Sample were drawn from 1,248 pairs of mothers and infants. The variables assessed included birth weight, gender, gestation age, birth order, maternal age, education, frequency of antenatal care, maternal complication and illness, parental smoking habit, alcohol and caffeine intake. The obtained data were coded and inputted into a computer using a SAS statistic package and estimated by multiple regression and logistic regression.
Results
: The rate of LBW was 7.9% and premature rate was 3.4%. The variables affecting birth weight were maternal smoking habits, maternal complication and illness, gestation age, caffeine intake and gender. After adjusting for extraneous factors through multiple regression, we found that shortened gestation age, female infant, maternal complication and illness significantly played an important role in the decrease of birth weight. After logistic regression in the group of LBW infants, it was shown that the variables associated with LBW were maternal complication and illness, shortened gestation age, old age over 35 years, inadequate prenatal care, and female infant.
Conclusion
: Birth weight and LBW were more related to gestation age, gender, maternal complication and illness than maternal smoking habit, alcohol and caffeine intake.
Key Words: Low birth weight, Smoking, Alcohol, Caffeine


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