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Mothers From Affluent Neighborhoods Near Highways Increase Odds Of Low Weight Babies By 81 Percent

Date:
July 31, 2008
Source:
University of Montreal
Summary:
Living near city expressways is associated with adverse birth effects on expectant mothers and their newborns, according to a novel study with global implications. Researchers reveal that women living closest to expressways are more vulnerable to highway pollution -- especially affluent mothers.

Living near city expressways is associated with adverse birth effects on expectant mothers and their newborns, according to a novel study with global implications. Scientists from the Université de Montréal and the University of South Australia have revealed that women living closest to expressways are more vulnerable to highway pollution – especially affluent mothers.

"We found a disproportionately high association between living close to a highway and birth complications among affluent mothers," said the study's lead author, Dr. Mélissa Généreux, who completed the research at the Université de Montréal's Department of Social and Preventive Medicine.

"Among affluent mothers who live within 200 metres of a highway, the odds of delivering an infant with low birth weight increase by 81 percent, while their odds of delivering a preterm baby increase by 58 percent compared to mothers who don't live anywhere close to expressways."

Using data from the Quebec birth registry, the research team evaluated statistics from 100,000 new births recorded over a five-year span. The scientists concentrated on data from Canada's second biggest city, Montreal, where highways cut through affluent and poor neighbourhoods alike.

Wealthy women more vulnerable

The study was the first to examine proximity to pollution as a cause for adverse effects on birth. And the scientists discovered that mothers living within 200 metres from major highways – especially women from higher socioeconomic neighbourhoods – were more likely to deliver preterm, low weight or smaller babies.

"Advantaged mothers may be more susceptible to highway pollution, possibly because they have been protected from other hazards present in low income neighbourhoods," explained Dr. Généreux, who's also a resident at Maisonneuve-Rosemont Hospital, a Université de Montréal affiliated institution. "We found a disproportionately high association between living close to a highway and birth complications among affluent mothers."


Story Source:

The above story is based on materials provided by University of Montreal. Note: Materials may be edited for content and length.


Journal Reference:

  1. Genereux et al. Neighbourhood socioeconomic status, maternal education and adverse birth outcomes among mothers living near highways. Journal of Epidemiology & Community Health, 2008; 62 (8): 695 DOI: 10.1136/jech.2007.066167

Cite This Page:

University of Montreal. "Mothers From Affluent Neighborhoods Near Highways Increase Odds Of Low Weight Babies By 81 Percent." ScienceDaily. ScienceDaily, 31 July 2008. <www.sciencedaily.com/releases/2008/07/080730140845.htm>.
University of Montreal. (2008, July 31). Mothers From Affluent Neighborhoods Near Highways Increase Odds Of Low Weight Babies By 81 Percent. ScienceDaily. Retrieved July 26, 2014 from www.sciencedaily.com/releases/2008/07/080730140845.htm
University of Montreal. "Mothers From Affluent Neighborhoods Near Highways Increase Odds Of Low Weight Babies By 81 Percent." ScienceDaily. www.sciencedaily.com/releases/2008/07/080730140845.htm (accessed July 26, 2014).

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