Table 4.
Results of the univariable proportional hazards Cox regression model of TB patients DOTS in six randomly selected AA health centers.
| Analysis of maximum likelihood estimates | ||||||||
|---|---|---|---|---|---|---|---|---|
| Covariates | DF | Parameter estimate | Standard error | −2LL | Lik. ratio P value | Score P value | Wald P value | Hazard ratio |
| Gender | 1 | −0.00878 | 0.19526 | 1382.970 | 0.9641 | 0.9641 | 0.9641 | 0.991 |
| Age | 1 | 0.01626 | 0.00608 | 1376.244 | 0.0095 | 0.0072 | 0.0074 | 1.016 |
| Weight | 1 | −0.00859 | 0.00772 | 1381.761 | 0.2711 | 0.2665 | 0.2659 | 0.991 |
| Smear result | 1 | −0.31097 | 0.24441 | 1381.251 | 0.1896 | 0.2012 | 0.2033 | 0.733 |
| TBC | 1 | −0.70235 | 0.22993 | 1374.782 | 0.0042 | 0.0018 | 0.0023 | 0.495 |
| TTB cat. II | 1 | 0.26331 | 0.26657 | 1381.039 | 0.3805 |
0.3944 |
0.3233 | 1.301 |
| TTB cat. III | 1 | 0.36374 | 0.26882 | 0.1760 | 1.439 | |||
| HIV | 1 | 0.98580 | 0.19524 | 1358.373 | <0.0001 | <0.0001 | <0.0001 | 2.680 |
| The value of −2LL for the null model is 1382.972 | ||||||||