| Variables | Cases n (%) (N = 119) | Controls n (%) (N = 238) | P value | Unadjusted OR (95% CI) | Adjusted OR (95% CI) |
| Gender | |||||
| Male | 78 (65.5) | 153 (64.3) | Reference | ||
| Female | 41 (34.5) | 85 (35.7) | 0.80 | 0.94 (0.58 - 1.53) | |
| Country of origin | |||||
| Portugal | 114 (95.8) | 232 (97.5) | Reference | ||
| Foreign-born | 5 (4.2) | 6 (2.5) | 0.40 | 1.67 (0.51 - 5.46) | |
| Employment situation | |||||
| Employed | 53 (48.2) | 103 (45.0) | Reference | ||
| Unemployed | 57 (51.8) | 126 (55.0) | 0.75 | 0.92 (0.54 - 1.56) | |
| Site of disease | |||||
| Pulmonary | 104 (87.4) | 207 (87.0) | Reference | ||
| Extra-pulmonary | 15 (12.6) | 31 (13.0) | 0.91 | 0.96 (0.51 - 1.84) | |
| Previous treatment | |||||
| No | 98 (85.2) | 222 (93.3) | Reference | ||
| Yes | 17 (14.8) | 16 (6.7) | 0.02 | 2.52 (1.19 - 5.34) | 2.48 (1.12 - 5.49) |
| Co morbidities | |||||
| Diabetes | |||||
| No | 105 (88.2) | 228 (95.8) | Reference | ||
| Yes | 14 (11.8) | 10 (4.2) | 0.01 | 2.97 (1.28 - 6.89) | 3.54 (1.45 - 8.66) |
| HIV infection | |||||
| No | 88 (86.3) | 183 (89.3) | Reference | ||
| Yes | 14 (13.7) | 22 (10.7) | 0.36 | 1.48 (0.64 - 3.39) | |
| Behaviour factors | |||||
| Alcohol abuse | |||||
| No | 100 (84.0) | 200 (84.7) | Reference | ||
| Yes | 19 (16.0) | 36 (15.3) | 0.88 | 1.05 (0.57 - 1.95) | |
| Intravenous drugs | |||||
| No | 106 (89.8) | 227 (95.8) | Reference | ||
| Yes | 12 (10.2) | 10 (4.2) | 0.01 | 5.30 (1.42 - 19.70) | 4.77 (1.24 - 18.32) |
| Other drugs abuse | |||||
| No | 111 (93.3) | 223 (94.1) | Reference | ||
| yes | 8 (6,7) | 14 (5.9) | 0.72 | 1.22 (0.42 - 3.52) | |
| Current smoker | |||||
| No | 118 (99.2) | 232 (97.5) | Reference | ||
| Yes | 1 (0.8) | 6 (2.5) | 0.27 | 0.29 (0.03 - 2.65) |