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The associations between environmental quality and preterm birth in the United States, 2000–2005: a cross-sectional analysis

Overview of attention for article published in Environmental Health, June 2015
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Title
The associations between environmental quality and preterm birth in the United States, 2000–2005: a cross-sectional analysis
Published in
Environmental Health, June 2015
DOI 10.1186/s12940-015-0038-3
Pubmed ID
Authors

Kristen M. Rappazzo, Lynne C. Messer, Jyotsna S. Jagai, Christine L. Gray, Shannon C. Grabich, Danelle T. Lobdell

Abstract

Many environmental factors have been independently associated with preterm birth (PTB). However, exposure is not isolated to a single environmental factor, but rather to many positive and negative factors that co-occur. The environmental quality index (EQI), a measure of cumulative environmental exposure across all US counties from 2000-2005, was used to investigate associations between ambient environment and PTB. With 2000-2005 birth data from the National Center for Health Statistics for the United States (n = 24,483,348), we estimated the association between increasing quintiles of the EQI and county-level and individual-level PTB; we also considered environmental domain-specific (air, water, land, sociodemographic and built environment) and urban-rural stratifications. Effect estimates for the relationship between environmental quality and PTB varied by domain and by urban-rural strata but were consistent across county- and individual-level analyses. The county-level prevalence difference (PD (95 % confidence interval) for the non-stratified EQI comparing the highest quintile (poorest environmental quality) to the lowest quintile (best environmental quality) was -0.0166 (-0.0198, -0.0134). The air and sociodemographic domains had the strongest associations with PTB; PDs were 0.0196 (0.0162, 0.0229) and -0.0262 (-0.0300, -0.0224) for the air and sociodemographic domain indices, respectively. Within the most urban strata, the PD for the sociodemographic domain index was 0.0256 (0.0205, 0.0307). Odds ratios (OR) for the individual-level analysis were congruent with PDs. We observed both strong positive and negative associations between measures of broad environmental quality and preterm birth. Associations differed by rural-urban stratum and by the five environmental domains. Our study demonstrates the use of a large scale composite environment exposure metric with preterm birth, an important indicator of population health and shows potential for future research.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 65 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 65 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 13 20%
Student > Master 11 17%
Student > Ph. D. Student 9 14%
Student > Doctoral Student 3 5%
Student > Bachelor 3 5%
Other 9 14%
Unknown 17 26%
Readers by discipline Count As %
Social Sciences 14 22%
Environmental Science 8 12%
Medicine and Dentistry 8 12%
Nursing and Health Professions 4 6%
Engineering 3 5%
Other 7 11%
Unknown 21 32%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 06 April 2016.
All research outputs
#15,336,434
of 22,811,321 outputs
Outputs from Environmental Health
#1,136
of 1,488 outputs
Outputs of similar age
#156,421
of 266,419 outputs
Outputs of similar age from Environmental Health
#23
of 25 outputs
Altmetric has tracked 22,811,321 research outputs across all sources so far. This one is in the 22nd percentile – i.e., 22% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,488 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 31.3. This one is in the 19th percentile – i.e., 19% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 266,419 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 32nd percentile – i.e., 32% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 25 others from the same source and published within six weeks on either side of this one. This one is in the 8th percentile – i.e., 8% of its contemporaries scored the same or lower than it.