A field study on indoor air pollution and health condition of residents in developing countries

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We investigated indoor air pollutants, especially volatile organic compounds (VOCs) which are considered as the causes of sick building syndrome, in houses in Bangladesh and China, and analyzed the relationship between their concentrations and health conditions of the residents. VOC concentrations were generally higher in Bangladesh. In that country, they were significantly higher in urban than in rural areas, in houses in which biomass fuel was used than those in which fossil one was used, and in winter than in summer. However, no association was observed between the concentrations and the health. In China, VOC concentrations in urban houses were generally lower than those in Bangladesh.