Seasonal concentrations and determinants of indoor particulate matter in a low-income community in Dhaka, Bangladesh

Gurley, Emily S.; Salje, Henrik; Homaira, Nusrat; Ram, Pavani K.; Haque, Rashidul; Petri, William A.; Bresee, Joseph; Moss, William J.; Luby, Stephen P.; Breysse, Patrick; Azziz-Baumgartner, Eduardo

doi:10.1016/j.envres.2012.10.004

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Seasonal concentrations and determinants of indoor particulate matter in a low-income community in Dhaka, Bangladesh

2 2013
By Gurley, Emily S. ; Salje, Henrik ; Homaira, Nusrat ; ...
http://dx.doi.org/10.1016/j.envres.2012.10.004
Source: Environ Res. 2012; 121:11-16

[PDF-548.69 KB]

English

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Details:

Alternative Title:

Environ Res
Personal Author:

Gurley, Emily S. ; Salje, Henrik ; Homaira, Nusrat ; Ram, Pavani K. ; Haque, Rashidul ; ... More +

Gurley, Emily S. ; Salje, Henrik ; Homaira, Nusrat ; Ram, Pavani K. ; Haque, Rashidul ; Petri, William A. ; Bresee, Joseph ; Moss, William J. ; Luby, Stephen P. ; Breysse, Patrick ; Azziz-Baumgartner, Eduardo Less -
Description:

Indoor exposure to particulate matter (PM) increases the risk of acute lower respiratory tract infections, which are the leading cause of death in young children in Bangladesh. Few studies, however, have measured children's exposures to indoor PM over time. The World Health Organization recommends that daily indoor concentrations of PM less than 2.5μm in diameter (PM(2.5)) not exceed 25μg/m(3). This study aimed to describe the seasonal variation and determinants of concentrations of indoor PM(2.5) in a low-income community in urban Dhaka, Bangladesh. PM(2.5) was measured in homes monthly during May 2009 to April 2010. We calculated the time-weighted average, 90th percentile PM(2.5) concentrations and the daily hours PM(2.5) exceeded 100μg/m(3). Linear regression models were used to estimate the associations between fuel use, ventilation, indoor smoking, and season to each metric describing indoor PM(2.5) concentrations. Time-weighted average PM(2.5) concentrations were 190μg/m(3) (95% CI 170-210). Sixteen percent of 258 households primarily used biomass fuels for cooking and PM(2.5) concentrations in these homes had average concentrations 75μg/m(3) (95% CI 56-124) greater than other homes. PM(2.5) concentrations were also associated with burning both biomass and kerosene, indoor smoking, and ventilation, and were more than twice as high during winter than during other seasons. Young children in this community are exposed to indoor PM(2.5) concentrations 7 times greater than those recommended by World Health Organization guidelines. Interventions to reduce biomass burning could result in a daily reduction of 75μg/m(3) (40%) in time-weighted average PM(2.5) concentrations.
Subjects:

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Air Pollutants Air Pollution, Indoor Bangladesh Biofuels Cooking Environmental Exposure Family Characteristics Humans Particulate Matter Poverty Seasons Smoking Urban Population Ventilation
Keywords:

[+]

Biomass Indoor Air Particulate Matter Urban Health
Source:

Environ Res. 2012; 121:11-16
Pubmed ID:

23127494
Pubmed Central ID:

PMC3582809
Document Type:

Journal Article
Funding:

R01 AI043596/AI/NIAID NIH HHSUnited States/ ; U01 CI000628/CI/NCPDCID CDC HHSUnited States/ ; U01/CI000628-02/CI/NCPDCID CDC HHSUnited States/ ; 5R01AI043596/AI/NIAID NIH HHSUnited States/

R01 AI043596/AI/NIAID NIH HHSUnited States/ ; U01 CI000628/CI/NCPDCID CDC HHSUnited States/ ; U01/CI000628-02/CI/NCPDCID CDC HHSUnited States/ ; 5R01AI043596/AI/NIAID NIH HHSUnited States/ Less -
Volume:

121
Collection(s):

CDC Public Access
Main Document Checksum:

[+]

urn:sha256:8ce8b7982bb42735810590e145730ad0a027afd78e6a2e4d662c463cbc653f10
Download URL:

https://stacks.cdc.gov/view/cdc/33526/cdc_33526_DS1.pdf
File Type:

	nihms442038.nxml	xml
	nihms442038f1.gif	gif
	nihms442038f1.jpg	jpeg

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