ABSTRACT

Objective: To identify socioeconomical and environmental risk factors for respiratory patients with lung disease.
Material and methods: We carried out a hospital-based case-control study from 2000 to 2007. Patients with HIV infection were excluded. The 10 groups cases were: (1: 948 bacterial pneumonia [BP]); (2: 487 tuberculosis [TB]); (3: 108 asthma); (4: 127 chronic obstructive pulmonary disease [COPD]); (5: 95 idiopathic pulmonary fibrosis [IPF]); (6: 160 spontaneous pneumothorax [SP]); (7: 70 small-cell lung cancer [SCLC]); (8: 51 large-cell lung cancer [LCLC]); (9: 120 squamous cell lung cancer [SQLC]), and (10: 459 lung adenocarcinoma [LA]). The controls were otolaryngology 1,305 patients [ORL].
Results: Wood smoke was associated with: TB (OR = 2.9 [95% CI 2.2-3.7] p ‹0.0001), COPD (OR = 3.0 [95% CI 1.6-5.6] p ‹0.0001), LCLC (OR = 2.5 [95% CI 1.3-4.9] p = 0.006) and LA (OR = 1.6 [95% CI 1.2-2.2] p = 0.005), in the same models, smoking was associated with bacterial pneumonia, COPD, spontaneous pneumothorax, small cell lung cancer and squamous cell lung cancer.
Discussion: The hospital databases allowed identifying respiratory risk factors. Both wood smoke and smoking are associated with respiratory diseases.

KEYWORDS

Hospital-based, biomass, pollution, respiratory diseases, domiciliary, smoking.

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