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Assessment of Child Anthropometry in a Large Epidemiologic Study
Published on: February 2, 2017
Determinants of birthweight inequalities: population-based study
1Department of Epidemiology and Community Medicine, Institute of Population Health, University of Ottawa, Canada. ldubois@uottawa.ca
Pediatrics International : Official Journal of the Japan Pediatric Society
|September 15, 2006
Summary
Social factors significantly impact birthweight inequalities. Maternal smoking and body mass index (BMI) play key roles, especially in lower socioeconomic status families, influencing infant health outcomes.
Area of Science:
- Pediatrics
- Public Health
- Sociology
Background:
- Birthweight is a critical indicator of infant health.
- Socioeconomic and behavioral factors contribute to birthweight disparities.
Purpose of the Study:
- To investigate the role of social factors in birthweight inequalities.
- To analyze the spectrum of birthweight in a population-based cohort.
Main Methods:
- Utilized data from the Quebec Longitudinal Study of Child Development (QLSCD).
- Analyzed a representative sample of 2103 children born in 1998 in Quebec.
- Employed multivariate analyses adjusting for gestational age and maternal age.
Main Results:
- Mean birthweight was higher for boys and improved with birth rank, maternal BMI, and socioeconomic status.
- Maternal smoking was associated with lower birthweight, with significantly higher odds of low birthweight for infants of smoking mothers in lower/middle socioeconomic status families.
- Maternal BMI and smoking interacted with socioeconomic status to influence birthweight, with maternal smoking being the primary driver of inequalities in lower socioeconomic status families and maternal BMI in higher socioeconomic status families.
Conclusions:
- Findings are relevant for developed and developing nations facing rising birthweight and obesity.
- Highlights the complex interplay of social, behavioral, and physiological factors on birthweight.
- Informs public health strategies to address birthweight inequalities.
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