| Crude | Adjusted | Adjusted (selected by AIC*) | ||
---|---|---|---|---|---|
HR (95Â % CI) | p value | HR (95Â % CI) | p value | HR (95Â % CI) | |
Sex female | 0.80 (0.56–1.15) | 0.23 | 0.83 (0.58–1.19) | 0.32 |  |
Age, years | |||||
 <25 | Reference |  | Reference |  | Reference |
 25–35 | 3.01 (1.35–6.68) | 0.01 | 2.84 (1.28–6.30) | 0.01 | 2.91 (1.31–6.45) |
 35–45 | 3.93 (1.73–8.96) | 0.00 | 3.53 (1.55–8.05) | 0.00 | 3.63 (1.59–8.26) |
 45–60 | 9.58 (4.56–20.11) | 0.00 | 7.75 (3.65–16.42) | 0.00 | 7.93 (3.74–16.79) |
 >60 | 20.38 (9.57–43.37) | 0.00 | 16.14 (7.52–34.63) | 0.00 | 16.24 (7.57–34.85) |
Anatomic site of TB | |||||
 Pulmonary | Reference |  | Reference |  |  |
 Extra-pulmonary | 2.18 (1.48–3.21) | 0.00 | 1.38 (0.85–2.22) | 0.19 |  |
 Both | 1.48 (0.60–3.66) | 0.40 | 1.23 (0.49–3.06) | 0.66 |  |
Prior TB | 1.94 (1.35–2.78) | 0.00 | 1.41 (0.97–2.04) | 0.07 | 1.39 (0.96–2.01) |
TB smear result | |||||
 Smear negative | Reference |  | Reference |  | Reference |
 Smear positive | 0.36 (0.25–0.52) | 0.00 | 0.52 (0.35–0.78) | 0.00 | 0.47 (0.33–0.68) |
 No smear performed | 0.88 (0.50–1.54) | 0.64 | 0.78 (0.43–1.40) | 0.40 | 0.86 (0.49–1.51) |