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The International Collaboration on Air Pollution and Pregnancy Outcomes: initial results: Air Pollution and Low Birth Weight

Parker, Jennifer ; Rich, David Q. ; Glinianaia, Svetlana V. ; Leem, Jong Han ; Wartenberg, Daniel ; Bell, Michelle L. ; Bonzini, Matteo ; Brauer, Michael ; Darrow, Lyndsey ; Gehring, Ulrike ; Gouveia, Nelson ; Grillo, Paolo ; Ha, Eunhee ; van den Hooven, Edith H. ; Jalaludin, Bin ; Jesdale, Bill M. ; Lepeule, Johanna ; Morello-Frosch, Rachel ; Morgan, Geoffrey G. ; Slama, Rémy ; Pierik, Frank H. ; Pesatori, Angela Cecilia ; Sathyanarayana, Sheela ; Seo, Juhee ; Strickland, Matthew ; Tamburic, Lillian ; Woodruff, Tracey J.

Environmental health perspectives, 2011-07, Vol.119 (7), p.1023-8 [Periódico revisado por pares]

National Institute of Environmental Health Sciences

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Título:
The International Collaboration on Air Pollution and Pregnancy Outcomes: initial results: Air Pollution and Low Birth Weight
Autor: Parker, Jennifer ; Rich, David Q. ; Glinianaia, Svetlana V. ; Leem, Jong Han ; Wartenberg, Daniel ; Bell, Michelle L. ; Bonzini, Matteo ; Brauer, Michael ; Darrow, Lyndsey ; Gehring, Ulrike ; Gouveia, Nelson ; Grillo, Paolo ; Ha, Eunhee ; van den Hooven, Edith H. ; Jalaludin, Bin ; Jesdale, Bill M. ; Lepeule, Johanna ; Morello-Frosch, Rachel ; Morgan, Geoffrey G. ; Slama, Rémy ; Pierik, Frank H. ; Pesatori, Angela Cecilia ; Sathyanarayana, Sheela ; Seo, Juhee ; Strickland, Matthew ; Tamburic, Lillian ; Woodruff, Tracey J.
Assuntos: Air Pollution ; Birth Weight ; Cohort Studies ; Feasibility Studies ; Female ; Humans ; Infant, Low Birth Weight ; Infant, Newborn ; International Cooperation ; Life Sciences ; Particle Size ; Particulate Matter ; Pilot Projects ; Pregnancy ; Pregnancy Outcome ; Premature Birth ; Research Design ; Risk Factors ; Santé publique et épidémiologie ; Socioeconomic Factors
É parte de: Environmental health perspectives, 2011-07, Vol.119 (7), p.1023-8
Descrição: BACKGROUND: The findings of prior studies of air pollution effects on adverse birth outcomes are difficult to synthesize because of differences in study design. OBJECTIVES: The International Collaboration on Air Pollution and Pregnancy Outcomes was formed to understand how differences in research methods contribute to variations in findings. We initiated a feasibility study to a) assess the ability of geographically diverse research groups to analyze their data sets using a common protocol and b) perform location-specific analyses of air pollution effects on birth weight using a standardized statistical approach. METHODS: Fourteen research groups from nine countries participated. We developed a protocol to estimate odds ratios (ORs) for the association between particulate matter ≤ 10 μm in aerodynamic diameter (PM₁₀) and low birth weight (LBW) among term births, adjusted first for socioeconomic status (SES) and second for additional location-specific variables. RESULTS: Among locations with data for the PM₁₀ analysis, ORs estimating the relative risk of term LBW associated with a 10-μg/m³ increase in average PM₁₀ concentration during pregnancy, adjusted for SES, ranged from 0.63 [95% confidence interval (CI), 0.30-1.35] for the Netherlands to 1.15 (95% CI, 0.61-2.18) for Vancouver, with six research groups reporting statistically significant adverse associations. We found evidence of statistically significant heterogeneity in estimated effects among locations. CONCLUSIONS: Variability in PM₁₀-LBW relationships among study locations remained despite use of a common statistical approach. A more detailed meta-analysis and use of more complex protocols for future analysis may uncover reasons for heterogeneity across locations. However, our findings confirm the potential for a diverse group of researchers to analyze their data in a standardized way to improve understanding of air pollution effects on birth outcomes.
Editor: National Institute of Environmental Health Sciences
Idioma: Inglês

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The International Collaboration on Air Pollution and Pregnancy Outcomes: initial results: Air Pollution and Low Birth Weight

National Institute of Environmental Health Sciences

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