Impact of Socioeconomic Status and Environment on Birth Outcomes in Eastern Massachusetts
Author Information
Author(s): Ariana Zeka, Steve J Melly, Joel Schwartz
Primary Institution: Harvard School of Public Health
Hypothesis
How do socioeconomic status and physical environment affect birth weight and preterm births?
Conclusion
The study found that socially disadvantaged groups are more likely to experience reduced birth weight and preterm births, particularly in relation to traffic exposure.
Supporting Evidence
- Lower birth weight was associated with lower maternal education.
- Traffic density was linked to increased risk of small for gestational age.
- Maternal race/ethnicity was a significant predictor of birth outcomes.
Takeaway
If you live in a poorer area or have less education, your baby might be born smaller or earlier. Traffic pollution can make this worse.
Methodology
The study analyzed singleton births from 1996 to 2002 using a two-level hierarchical model to assess the impact of socioeconomic and environmental factors on birth outcomes.
Potential Biases
Self-reported smoking data may introduce residual confounding.
Limitations
Exposure measures were based on distance to major highways and traffic density, which may not accurately reflect personal air pollution exposure.
Participant Demographics
The study included singleton live births in Eastern Massachusetts, with a focus on maternal education, race, and socioeconomic status.
Statistical Information
Confidence Interval
95% CI: various
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website