Related Experiment Videos
[The relation between birth weight and paternal occupation]
Y Hiroshige1, M Furuta, S Matsuda
1Department of Human Ecology, School of Medicine, University of Occupational and Environmental Health, Japan.
Insights
Paternal unemployment is linked to lower infant birth weight and reduced fetal growth. This study highlights the importance of parental occupation on infant health outcomes.
Area of Science:
- Environmental Health
- Reproductive Health
- Sociology
Context:
- Paternal occupation is a potential determinant of infant birth weight.
- Previous research has not fully explored the impact of paternal employment status on fetal development.
- This study utilizes 1985 vital statistics to analyze this relationship.
Purpose:
- To investigate the association between paternal occupation categories and infant Mean Birth Weight (MBW).
- To determine if paternal unemployment significantly affects MBW and the incidence of low birth weight.
- To examine the influence of paternal unemployment on intrauterine growth rate and gestational period.
Summary:
- Significant variations in MBW were observed across 11 paternal occupation categories, with the lowest MBW in the unemployed and highest in protective service workers.
- Infants of unemployed fathers exhibited significantly decreased MBW and increased low birth weight frequency compared to infants of employed fathers.
- Paternal unemployment was associated with delayed intrauterine growth and shortened gestational periods, suggesting interference with fetal development.
Impact:
- Findings suggest paternal unemployment may negatively impact fetal growth, warranting further investigation into the underlying mechanisms.
- Highlights the socioeconomic determinants of infant health and birth outcomes.
- Provides evidence for public health initiatives addressing paternal employment and prenatal care.
Abstract:
The relationship between paternal occupation and infant birth weight stratified by sex and parity was analyzed based on 1985 vital statistics. The following results were obtained: 1) There were some differences with high statistical significance detected in Mean Birth Weight (MBW) according to 11 different categories of paternal occupation. The lowest MBW was observed in the unemployed and the highest was in protective service workers. 2) The MBW was significantly decreased and the frequency of low birth weight was significantly increased in infants of unemployed father, compared with those of employed. 3) In infants where the father was unemployed, intrauterine growth rate and mean gestational period, which are considered to be two major processes governing birth weight, were delayed and shortened respectively. Based on these results, it is suggested that paternal unemployment may somehow interfere with fetal growth. Further study is needed to clarify the mechanism of this observed relationship. 1) Professional and technical workers. 2) Managers and officials. 3) Clerical and related workers. 4) Sales workers. 5) Agricultural, forestry and fisheries workers. 6) Mining workers. 7) Workers in transport and communications occupation. 8) Craftsmen, production process workers and labours. 9) Protective service workers. 10) Service workers. 11) Unemployed.