Table 3.
Univariate and Multivariate Cox proportional hazard models examining the association between being Aboriginal and time to the first of two consecutive plasma HIV viral loads of < 500 copies/ml
| Variable | Unadjusted HR | Adjusted HR |
| (95% CI) | (95% CI) | |
| Aboriginal (Yes versus No) | 0.90 (0.69, 1.17) | 1.15 (0.89, 1.48) |
| Plasma HIV viral load (per log 10 increase) | 0.73 (0.65, 0.81) | 0.73 (0.65, 0.82) |
| CD4 cell count (per 100 decrease) | 0.98 (0.93, 1.02) | -- |
| Gender (Female versus Male) | 1.25 (0.92, 1.70) | 1.09 (0.81, 1.48) |
| Age | 1.01 (1.00, 1.02) | 1.01 (1.00, 1.02) |
| Physician experience (per 10 patients) | 1.02 (1.01, 1.03) | -- |
| Completed high-school (Yes versus No) | 1.64 (1.37, 1.97) | 1.37 (1.14, 1.65) |
| Income (<$10,000 versus ≥ $10,000) | 0.66 (0.55, 0.79) | 0.90 (0.75, 1.09) |
| Baseline Combination (PI versus NNRTI) | 0.55 (0.45, 0.68) | -- |
| Adherence (>= 95% versus <95%) | 4.21 (3.32, 5.34) | 3.46 (2.77, 4.31) |
| AIDS diagnosis (Yes versus No) | 1.14 (0.91, 1.44) | -- |
| History of IDU (Yes versus No) | 0.56 (0.46, 0.68) | 0.74 (0.60, 0.92) |
| Year of initiation of therapy | ||
| 1996 | 1.00 (--) | 1.00 (--) |
| 1997 | 0.95 (0.73, 1.23) | 1.16 (0.89, 1.51) |
| 1998 | 1.02 (0.77, 1.35) | 1.49 (1.10, 2.00) |
| 1999 | 1.06 (0.79, 1.41) | 1.79 (1.31, 2.43) |
Notes: The symbol – means that variable was not included in the analysis