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Title

Traffic and Outdoor Air Pollution Levels Near Residences and Poorly Controlled Asthma in Adults (Annals of Allergy, Asthma & Immunology)

Publication Topics

2001 CA Health Interview Survey (CHIS 2001); Survey Research; Urban/Rural Populations; Asthma; Adult

Publication Type

CHIS Journal Article

Publication Date

2007-05-01T07:00:00Z

Author 1

<a onclick="OpenPopUpPage('http://healthpolicy.ucla.edu/_layouts/listform.aspx?PageType=4&ListId={7AAD61FA-4BCB-48C0-B0B7-87AFDC3673EF}&ID=507&RootFolder=*', RefreshPage); return false;" href="http://healthpolicy.ucla.edu/_layouts/listform.aspx?PageType=4&ListId={7AAD61FA-4BCB-48C0-B0B7-87AFDC3673EF}&ID=507&RootFolder=*">Ying-Ying Meng, DrPH</a>

Author 2

<a onclick="OpenPopUpPage('http://healthpolicy.ucla.edu/_layouts/listform.aspx?PageType=4&ListId={7AAD61FA-4BCB-48C0-B0B7-87AFDC3673EF}&ID=151&RootFolder=*', RefreshPage); return false;" href="http://healthpolicy.ucla.edu/_layouts/listform.aspx?PageType=4&ListId={7AAD61FA-4BCB-48C0-B0B7-87AFDC3673EF}&ID=151&RootFolder=*">et al</a>

Author 3

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Author 4

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Author 5

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Author 6

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Author 7

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Author 8

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Author 9

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Author 10

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Author 11

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Author 12

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Author 13

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Author 14

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Abstract

Background: Air pollution may exacerbate asthma.

Objective: To investigate associations between traffic and outdoor air pollution levels near residences and poorly controlled asthma among adults diagnosed as having asthma in Los Angeles and San Diego counties, California.
 
Methods: The authors estimated traffic density within 500 ft of 2001 California Health Interview Survey respondents’ reported residential cross-street intersections. Additionally, they assigned annual average concentrations of ozone, nitrogen dioxide, particulate matter 2.5 and 10 micrometers or less in diameter, and carbon monoxide measured at government monitoring stations within a 5-mile radius of the reported residential cross-street intersections.
 
Results: They observed a 2-fold increase in poorly controlled asthma (odds ratio [OR], 2.11; 95% confidence interval [CI], 1.38-3.23) among asthmatic adults in the highest quintile of traffic density after adjusting for age, sex, race, and poverty. Similar increases were seen for nonelderly adults, men, and women, although associations seemed strongest in elderly adults (OR, 3.00; 95% CI, 1.13-7.91). Ozone exposures were associated with poorly controlled asthma among elderly adults (OR, 1.70; 95% CI, 0.91-3.18 per 1 pphm) and men (OR, 1.76; 95% CI, 1.05-2.94 per 1 pphm), whereas particulate matter 10 micrometers or less seemed to affect primarily women (OR, 2.06; 95% CI, 1.17-3.61), even at levels below the national air quality standard.
 
Conclusions: Heavy traffic and high air pollution levels near residences are associated with poorly controlled asthma.​

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California Health Interview Survey

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Created at 8/14/2012 1:30 PM by i:0#.f|uclachissqlmembershipprovider|jonathan
Last modified at 2/6/2013 9:56 AM by i:0#.f|uclachissqlmembershipprovider|jonathan