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Health and Cooking Fuel among Non-smoking Women of Uttar Pradesh, India
The study was conducted over a period of one year and seven month from July 2008. 275 healthy non-smoking women were included 159 cooked solely with biomass and 116 cooked with LPG. A standardised respiratory symptoms questionnaire was administered to all the subjects and spirometry was carried out. Passive smoking showed no significant difference between the two groups. No statistically significant differences was found in lung functions (FVC , FEV1, FER) in the two groups except for the PEFR, which was significantly lower (P<0.01) in women using biomass. No correlation was observed between different variables and pulmonary functions. The step-wise multivariate linear regression analysis showed no correlation between cooking fuel and the pulmonary functions. The absence of the expected adverse effects of biomass on pulmonary functions was possibly due to better ventilation in the kitchens of subjects in the biomass group compared to previous studies.