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Table 2 Univariate and Multivariate Cox proportional hazard models examining the association between being Aboriginal and time to a CD4 cell increase of 100 above baseline

From: Aboriginal status is a prognostic factor for mortality among antiretroviral naïve HIV-positive individuals first initiating HAART

Variable Unadjusted HR Adjusted HR
  (95% CI) (95% CI)
Aboriginal (Yes versus No) 0.85 (0.65, 1.11) 0.95 (0.73, 1.23)
Plasma HIV viral load (per log 10 increase) 1.21 (1.06, 1.38) 1.27 (1.12, 1.44)
CD4 cell count (per 100 decrease) 0.96 (0.92, 1.00) --
Gender (Female versus Male) 1.85 (1.30, 2.64) 1.28 (0.94, 1.74)
Age 1.00 (0.99, 1.01) 0.99 (0.98, 1.00)
Physician experience (per 10 patients) 1.03 (1.02, 1.04) 1.01 (1.01, 1.02)
Completed high-school (Yes versus No) 1.03 (0.86, 1.24) --
Income (<$10,000 versus ≥ $10,000) 0.83 (0.68, 1.00) 0.97 (0.81, 1.17)
Baseline Combination (PI versus NNRTI) 0.81 (0.66, 1.01) 0.79 (0.62, 1.01)
Adherence (>= 95% versus <95%) 1.73 (1.39, 2.14) 1.57 (1.28, 1.94)
AIDS diagnosis (Yes versus No) 0.96 (0.75, 1.22) --
History of IDU (Yes versus No) 0.79 (0.65, 0.96) 0.92 (0.75, 1.13)
Year of initiation of therapy   
1996 1.00 (--) 1.00 (--)
1997 0.95 (0.72, 1.26) 1.07 (0.81, 1.40)
1998 0.94 (0.69, 1.27) 1.14 (0.84, 1.55)
1999 1.03 (0.75, 1.40) 1.10 (0.78, 1.55)
  1. Notes: The symbol – means that variable was not included in the analysis