Effect of PM10 and O3 on infant mortality among residents in the Mexico City Metropolitan Area: a case-crossover analysis, 1997-2005

Arroyo, Luz Carbajal; Miranda-Soberanis, Víctor; Medina-Ramón, Mercedes; Rojas-Bracho, Leonora; Tzintzun, Guadalupe; Solís, Patricio; Méndez-Ramírez, I; Hurtado-Díaz, Magali; Schwartz, Joel; Romieu, Isabelle

doi:10.1136/jech.2009.101212

Cited by 41 publications

(43 citation statements)

References 40 publications

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“…The influence of SES on mortality has also been examined in studies of infant mortality in Mexico. These studies found no association between O 3 concentrations and infant mortality regardless of SES measured using neighborhood-level indicators such as income or availability of public services (Carbajal-Arroyo et al 2011; Romieu et al 2004a); however, Carbajal-Arroyo et al (2011) reported evidence of a positive association for respiratory-related infant mortality in only the low-SES group.…”

Section: Resultsmentioning

confidence: 99%

Evaluating Potential Response-Modifying Factors for Associations between Ozone and Health Outcomes: A Weight-of-Evidence Approach

Vinikoor-Imler

Owens

Nichols

et al. 2014

Environ Health Perspect

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Background: Epidemiologic and experimental studies have reported a variety of health effects in response to ozone (O3) exposure, and some have indicated that certain populations may be at increased or decreased risk of O3-related health effects.Objectives: We sought to identify potential response-modifying factors to determine whether specific groups of the population or life stages are at increased or decreased risk of O3-related health effects using a weight-of-evidence approach.Methods: Epidemiologic, experimental, and exposure science studies of potential factors that may modify the relationship between O3 and health effects were identified in U.S. Environmental Protection Agency’s 2013 Integrated Science Assessment for Ozone and Related Photochemical Oxidants. Scientific evidence from studies that examined factors that may influence risk were integrated across disciplines to evaluate consistency, coherence, and biological plausibility of effects. The factors identified were then classified using a weight-of-evidence approach to conclude whether a specific factor modified the response of a population or life stage, resulting in an increased or decreased risk of O3-related health effects.Discussion: We found “adequate” evidence that populations with certain genotypes, preexisting asthma, or reduced intake of certain nutrients, as well as different life stages or outdoor workers, are at increased risk of O3-related health effects. In addition, we identified other factors (i.e., sex, socioeconomic status, and obesity) for which there was “suggestive” evidence that they may increase the risk of O3-related health effects.Conclusions: Using a weight-of-evidence approach, we identified a diverse group of factors that should be considered when characterizing the overall risk of health effects associated with exposures to ambient O3.Citation: Vinikoor-Imler LC, Owens EO, Nichols JL, Ross M, Brown JS, Sacks JD. 2014. Evaluating potential response-modifying factors for associations between ozone and health outcomes: a weight-of-evidence approach. Environ Health Perspect 122:1166–1176; http://dx.doi.org/10.1289/ehp.1307541

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Section: Resultsmentioning

confidence: 99%

Evaluating Potential Response-Modifying Factors for Associations between Ozone and Health Outcomes: A Weight-of-Evidence Approach

Vinikoor-Imler

Owens

Nichols

et al. 2014

Environ Health Perspect

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“…Again, an effect of NO 2 was observed, but there was no evidence of an interaction with PM 2.5 . In contrast, a study of infant mortality in Mexico City observed that its association with PM 10 was heightened when high concentrations of ozone were also present (Carbajal-Arroyo et al, 2011). Finally, in a study of 29 European cities, Katsouyanni et al (2001) reported that cities with higher long-term average NO 2 demonstrated a greater effect of daily PM 10 on mortality than did cities with low average NO 2 .…”

Section: Epidemiologymentioning

confidence: 86%

A rapid assessment of the impact of hazard reduction burning around Sydney, May 2016

Broome¹,

Johnston

Horsley

et al. 2016

Medical Journal of Australia

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This document presents answers to 24 questions relevant to reviewing European policies on air pollution and to addressing health aspects of these policies. The answers were developed by a large group of scientists engaged in the WHO project "Review of evidence on health aspects of air pollution -REVIHAAP". The experts reviewed and discussed the newly accumulated scientific evidence on the adverse effects on health of air pollution, formulating science-based answers to the 24 questions. Extensive rationales for the answers, including the list of key references, are provided. The review concludes that a considerable amount of new scientific information on the adverse effects on health of particulate matter, ozone and nitrogen dioxide, observed at levels commonly present in Europe, has been published in recent years. This new evidence supports the scientific conclusions of the WHO air quality guidelines, last updated in 2005, and indicates that the effects in some cases occur at air pollution concentrations lower than those serving to establish these guidelines. It also provides scientific arguments for taking decisive actions to improve air quality and reduce the burden of disease associated with air pollution in Europe.This publication arises from the project REVIHAAP and has been co-funded by the European Union. Keywords AIR POLLUTANTS AIR POLLUTION -ADVERSE EFFECTS ENVIRONMENT AND PUBLIC HEALTH EVIDENCE BASED PRACTICE GUIDELINES HEALTH POLICYAddress requests about publications of the WHO Regional Office for Europe to: Publications WHO Regional Office for Europe Scherfigsvej 8 DK-2100 Copenhagen Ø, Denmark Alternatively, complete an online request form for documentation, health information, or for permission to quote or translate, on the Regional Office web site (http://www.euro.who.int/pubrequest). © World Health Organization 2013All rights reserved. The Regional Office for Europe of the World Health Organization welcomes requests for permission to reproduce or translate its publications, in part or in full.The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate borderlines for which there may not yet be full agreement.The mention of specific companies or of certain manufacturers products does not imply that they are endorsed or recommended by the World Health Organization in preference to others of a similar nature that are not mentioned. Errors and omissions excepted, the names of proprietary products are distinguished by initial capital letters.All reasonable precautions have been taken by the World Health Organization to verify the information contained in this publication. However, the published material is being distributed without warranty of any kind, either express or implied. ...

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“…Psychosocial factors or stressors were not examined in any study. Seven (58 %) found synergistic associations between environmental and SES factors for perinatal outcomes, whereby having lower SES appeared to potentiate the risk of air pollution [42,[44][45][46][48][49][50]. The five studies that found mixed or null joint associations between environmental and social exposures relied on archival data for exposures and outcome (e.g., birth registries, census) and/or used ecologic and cross-sectional designs [43,47,[51][52][53].…”

Section: Cognitive and Behavioral Outcomesmentioning

confidence: 94%

“…Perinatal Outcomes All 12 studies that considered the joint contribution of social and environmental exposures in relation to perinatal outcomes did so by aggregating birth data from national or regional registries and conducted case-crossover, spatial, ecologic, and multilevel studies [42][43][44][45][46][47][48][49][50][51][52][53] (Table 3). Eight focused on outcomes related to birth weight and being small for gestational age [43-46, 49, 51-53], five studied preterm birth [43,48,50,52,53], and two examined infant mortality [42,47].…”

Section: Cognitive and Behavioral Outcomesmentioning

confidence: 99%

“…Eight focused on outcomes related to birth weight and being small for gestational age [43-46, 49, 51-53], five studied preterm birth [43,48,50,52,53], and two examined infant mortality [42,47]. Regarding environmental exposures, 11 (92 %) studied prenatal air pollution exposures [42][43][44][45][47][48][49][50][51][52][53] (e.g., proximity to highways, PM 2.5 , PM 10 , NO 2 , O 3 ), and one examined drinking water atrazine and nitrate exposures [46]. All considered SES as a potential modifier of the environmental exposure, of which ten (83 %) utilized an area level measure of SES (e.g., neighborhood, census tract) [42,43,[46][47][48][49][50][51][52][53].…”

Section: Cognitive and Behavioral Outcomesmentioning

confidence: 99%

See 1 more Smart Citation

A Systematic Review of the Interplay Between Social Determinants and Environmental Exposures for Early-Life Outcomes

Appleton

Holdsworth

Kubzansky

2016

Curr Envir Health Rpt

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Forty-one studies met the search criteria and were reviewed. Of these, 37, 34, and 29 % of studies focused on asthma, cognition/behavior, and perinatal outcomes, respectively. No study focused on obesity. Across all studies reviewed, 72 % observed significant synergistic associations between social and environmental exposures. Air pollution was the most frequently studied environmental exposure, and socioeconomic status was the most commonly studied social factor. The emerging evidence suggests that social and environmental risks may jointly affect child health. Recommendations for future research are discussed, including enhancing characterization of the social environment and broadening the types of environmental risks assessed.

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Effect of PM10 and O3 on infant mortality among residents in the Mexico City Metropolitan Area: a case-crossover analysis, 1997-2005

Abstract: Our results suggest that in the Mexico City Metropolitan Area, infants with lower SES (low to medium) are at higher risk of mortality when exposed to ambient PM(10) and O(3).

Cited by 41 publications

References 40 publications

Evaluating Potential Response-Modifying Factors for Associations between Ozone and Health Outcomes: A Weight-of-Evidence Approach

Evaluating Potential Response-Modifying Factors for Associations between Ozone and Health Outcomes: A Weight-of-Evidence Approach

A rapid assessment of the impact of hazard reduction burning around Sydney, May 2016

A Systematic Review of the Interplay Between Social Determinants and Environmental Exposures for Early-Life Outcomes

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