Table 4.
Univariate and multivariate Cox proportional hazard models examining the association between Aboriginal status and mortality
| Variable | Unadjusted HR | Adjusted HR |
| (95% CI) | (95% CI) | |
| Aboriginal (Yes versus No) | 2.87 (1.70, 4.84) | 3.12 (1.77, 5.48) |
| Plasma HIV viral load (per log 10 increase) | 1.27 (0.86, 1.86) | -- |
| CD4 cell count (per 100 decrease) | 1.10 (0.97, 1.25) | -- |
| Gender (Female versus Male) | 0.89 (0.41, 1.95) | 0.98 (0.41, 2.34) |
| Age | 1.04 (1.01, 1.07) | 1.06 (1.03, 1.09) |
| Physician experience (per 10 patients) | 0.99 (0.96, 1.01) | -- |
| Completed high-school (Yes versus No) | 0.63 (0.39, 1.02) | -- |
| Income (<$10,000 versus ≥ $10,000) | 2.76 (1.59, 4.82) | 1.86 (1.03, 3.34) |
| Baseline Combination (PI versus NNRTI) | 1.22 (0.65, 2.29) | 1.65 (0.82, 3.31) |
| Adherence (>= 95% versus <95%) | 0.32 (0.20, 0.52) | 0.41 (0.24, 0.71) |
| AIDS diagnosis (Yes versus No) | 1.59 (0.91, 2.79) | -- |
| History of IDU (Yes versus No) | 2.18 (1.35, 3.51) | 1.47 (0.82, 2.62) |
| Year of initiation of therapy | ||
| 1996 | 1.00 (--) | 1.00 (--) |
| 1997 | 0.49 (0.27, 0.92) | -- |
| 1998 | 0.67 (0.34, 1.32) | -- |
| 1999 | 0.34 (0.14, 0.82) | -- |
Notes: The symbol – means that variable was not included in the analysis