Oct 6, 2000

The contributions of emissions and spatial microenvironments to exposure to indoor air pollution from biomass combustion in Kenya

Environmental Health Perspectives
M EzzatiD M Kammen

Abstract

Acute and chronic respiratory diseases, which are causally linked to exposure to indoor air pollution in developing countries, are the leading cause of global morbidity and mortality. Efforts to develop effective intervention strategies and detailed quantification of the exposure-response relationship for indoor particulate matter require accurate estimates of exposure. We used continuous monitoring of indoor air pollution and individual time-activity budget data to construct detailed profiles of exposure for 345 individuals in 55 households in rural Kenya. Data for analysis were from two hundred ten 14-hour days of continuous real-time monitoring of concentrations of particulate matter [less than/equal to] 10 microm in aerodynamic diameter and the location and activities of household members. These data were supplemented by data on the spatial dispersion of pollution and from interviews. Young and adult women had not only the highest absolute exposure to particulate matter (2, 795 and 4,898 microg/m(3) average daily exposure concentrations, respectively) but also the largest exposure relative to that of males in the same age group (2.5 and 4.8 times, respectively). Exposure during brief high-intensity emission episodes account...Continue Reading

Mentioned in this Paper

Cooking
Morbidity Aspects
Particle Size
Teens
Respiratory Tract Infections
Air Pollution, Indoor
Housing
Air Movements
Subgroup A Nepoviruses
Respiration Disorders

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