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KMID : 0371020130460010050
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Journal of Preventive Medicine and Public Health
2013 Volume.46 No. 1 p.50 ~ p.60
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Socioeconomic Status and Number of Children Among Korean Women: The Healthy Twin Study
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Kim Jin-Seob
Sung Joo-Hon
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Abstract
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Objectives: This study aimed to evaluate whether the birth rate is associated with socioeconomic status in the women of the Republic of Korea, where the birth rate is rapidly decreasing.
Methods: This study included 732 females from the Healthy Twin Study, a family-twin cohort. The participants were classified into 3 socioeconomic groups according to their average income, education, and occupation. The association between socioeconomic status and number of children was assessed using gamma regression analysis with a generalized linear mixed model, adjusting for the age group, smoking/alcohol status, and family relationships.
Results: The group with the highest education level had significantly fewer children compared with the group with the lowest education level (p=0.004). However, no significant associations were found according to household income level. The non-manual labor group had significantly fewer children compared with those working as homemakers (p=0.008).
Conclusions: This study aimed to explain the causal relationship between socioeconomic status and number of children. Associations between some socioeconomic status and number of children were found in Korea.
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KEYWORD
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Fertility, Family, Social class
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