| Titre : | Biomass fuel and risk of tuberculosis : a case-control study from Northern India. (2012) |
| Auteurs : | P.V.M. LAKSHMI ; Michael-N Bates ; Navkiran KAUR VIRDI ; Rajesh KUMAR ; Kirk-R Smith ; J.S. THAKUR ; School of Public Health. Division of Environmental Health Sciences. University of California. Berkeley. USA ; School of Public Health. Post Graduate Institute of Medical Education and Research. Chandigarh. IND |
| Type de document : | Article |
| Dans : | Journal of epidemiology and community health (vol. 66, n° 5, 2012) |
| Pagination : | 457-461 |
| Langues: | Anglais |
| Mots-clés : | Tuberculose ; Biomasse ; Combustible ; Facteur risque ; Risque ; Enquête cas témoin ; Surveillance épidémiologique ; Epidémiologie ; Nord ; Inde ; Bactériose ; Infection ; Asie du Nord ; Asie |
| Résumé : | [BDSP. Notice produite par INIST-CNRS C9R0xIJB. Diffusion soumise à autorisation]. Background Although a known risk factor for several respiratory diseases, the relationship between cooking smoke and tuberculosis has not been conclusively established. Hence, a case-control study was conducted among adult women of Chandigarh Union Territory in India. Methods Physician-diagnosed cases of sputum positive pulmonary tuberculosis (n=126) and age-and residence area-matched controls (n=252) were enrolled from clinics in urban, rural and slum areas. Interviews were conducted in the clinic using a pretested questionnaire to collect information on type of cooking fuel, education, occupation, socio-economic status, smoking, overcrowding and type of kitchen, etc. The conditional logistic regression model was used for control of confounding. Results The study population was predominantly in the 20-29-year-old age group (58%) and lived in urban areas (67%). The majority were illiterate (52%) and housewives (93%), and nearly half (46%) had an income of no more than Rs 25 000. Among the cases, 20.6%, 27% and 52.4% used biomass fuel, kerosene and liquid petroleum gas (LPG), respectively, whereas among controls, the respective figures were : 12.3%, 26.2% and 61.5%. The unadjusted OR for biomass fuel compared with LPG was 2.33 (95% CI 1.18 to 4.59, p 0.01). Adjustment for confounding factors (education, type of kitchen, smoking tobacco and TB in a family member) and interaction between cooking fuel and smoker in family revealed an OR of 3.14 (95% CI 1.15 to 8.56, p=0.02) for biomass fuel in comparison with LPG. Conclusions Cooking with biomass fuel increases the risk for pulmonary tuberculosis. |
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