Abstract:
BACKGROUND:This study explores the role of race, ethnicity, and insurance status in modifying the effects of air pollution on children's asthma hospitalizations in Phoenix, Arizona (US) between 2001 and 2003. While controlling for weather, interactions between nitrous dioxide (NO(2)) and race, ethnicity, and insurance status are used to predict relative risk for subgroups of children. METHODS:The generalized logit regression model for nominal categorical data within a multinomial likelihood framework was used. This model is specifically suited to small counts and the reporting of 95% confidence intervals for the odds ratio of hospital admission for one group as compared to another. The odds ratio is known to approximate relative risk for rare events. RESULTS:Several significant findings were found for race, ethnicity, and insurance status as modulators for the effect of NO(2) on children's risk for asthma hospitalization: (1) children without insurance have 1.4 (95% CI: 1.1-1.8) times higher risk of asthma admissions than those with private insurance at exceedances of 0.02 parts per million (ppm) of NO(2) above the seasonal mean; the same finding holds for children without insurance as compared to those with Medicaid; (2) black children have 2.1 (95% CI: 1.3-3.3) times higher risk of hospitalization than Hispanic children at seasonal mean NO(2) levels, but this disproportionate risk shrinks to 1.7 with exceedances of 0.02 ppm of NO(2) above the seasonal mean. Specific to finding (1) among those children without health insurance, Hispanic children have 2.1 (95% CI: 1.1-3.8) times higher risk of hospitalization than white children. Among all Hispanic children, those without health insurance have 1.9 (95% CI: 1.3-3.0) times greater risk than those with private insurance; the same finding holds for Hispanic children without insurance as compared to Hispanic children with Medicaid. Specific to finding (2), among children with private insurance, the disproportionate risk of black children as compared to Hispanic children is magnified by a factor of 1.3 (95% CI: 1.0-1.8) for exceedances of 0.02 ppm of NO(2) above the seasonal mean. CONCLUSIONS:Although we cannot confirm a cause-effect relationship, this analysis suggests that increasing insurance enrollment for all children, and specifically Hispanic children, may reduce their disproportionate risk from exceedances of air pollution. There are few black children in Phoenix, so further studies are needed to investigate the increasing risk of black children with private insurance as compared to Hispanics at exceedances of NO(2).
journal_name
Environ Resjournal_title
Environmental researchauthors
Grineski SE,Staniswalis JG,Peng Y,Atkinson-Palombo Cdoi
10.1016/j.envres.2009.10.012subject
Has Abstractpub_date
2010-02-01 00:00:00pages
178-88issue
2eissn
0013-9351issn
1096-0953pii
S0013-9351(09)00202-3journal_volume
110pub_type
杂志文章abstract:INTRODUCTION:While studies have suggested that exposure to manganese (Mn) may be associated with neurodevelopment in school-age children, there is limited information on prenatal and postnatal Mn exposures and tremor or motor function in children. METHODS:We measured Mn levels in dentine of shed teeth, representing pr...
journal_title:Environmental research
pub_type: 杂志文章
doi:10.1016/j.envres.2017.08.035
更新日期:2017-11-01 00:00:00
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journal_title:Environmental research
pub_type: 杂志文章
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doi:10.1016/s0013-9351(87)80195-0
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journal_title:Environmental research
pub_type: 传,历史文章,杂志文章
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更新日期:2019-03-01 00:00:00
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doi:10.1016/j.envres.2014.06.016
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journal_title:Environmental research
pub_type: 杂志文章
doi:10.1016/j.envres.2007.10.011
更新日期:2008-02-01 00:00:00
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更新日期:2021-01-01 00:00:00
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pub_type: 杂志文章
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更新日期:2021-01-27 00:00:00
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journal_title:Environmental research
pub_type: 杂志文章
doi:10.1006/enrs.2000.4058
更新日期:2000-06-01 00:00:00
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doi:10.1006/enrs.2002.4342
更新日期:2002-05-01 00:00:00
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pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:1985-04-01 00:00:00
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更新日期:2019-07-01 00:00:00
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pub_type: 杂志文章
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doi:10.1016/j.envres.2011.01.001
更新日期:2011-02-01 00:00:00
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更新日期:2011-04-01 00:00:00
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更新日期:2018-01-01 00:00:00
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更新日期:2016-02-01 00:00:00
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