| Interval (days) | Gaps of >9 months | Gaps of >6 months | |||
---|---|---|---|---|---|---|
Covariates | Estimate (95% CI) | p value | OR (95% CI) | p value | OR (95% CI) | p value |
Region | Â | Â | Â | Â | Â | Â |
   Quebec | 24.1 (20.2, 28.0) | < .0001 | 1.65 (1.37, 1.98) | < .0001 | 1.71 (1.50, 1.96) | < .0001 |
   Ontario | 25.6 (22.2, 28.9) | < .0001 | 1.77 (1.51, 2.08) | < .0001 | 2.14 (1.90, 2.41) | < .0001 |
   BC (reference) | 0 |  | 1 |  | 1 |  |
Age (per 10 years) | -7.0 (-8.6, -5.3) | < .0001 | 0.70 (0.65, 0.76) | < .0001 | 0.76 (0.72, 0.81) | < .0001 |
Male | -12.9 (-16.9, -8.8) | < .0001 | 0.58 (0.50, 0.68) | < .0001 | 0.62 (0.55, 0.69) | < .0001 |
Caucasian | -2.1 (-6.6, 2.4) | 0.36 | 0.78 (0.64, 0.95) | 0.01 | 0.83 (0.71, 0.97) | 0.02 |
Risk factor | Â | Â | Â | Â | Â | Â |
   MSM | 2.2 (-1.1, 5.6) | 0.19 | 0.74 (0.61, 0.89) | < .01 | 0.86 (0.75, 0.97) | 0.02 |
   IDU | 18.5 (13.1, 23.9) | < .0001 | 2.06 (1.74, 2.44) | < .0001 | 1.80 (1.58, 2.04) | < .0001 |
   Heterosexual | 14.3 (9.4, 19.3) | < .0001 | 1.55 (1.26, 1.89) | < .0001 | 1.57 (1.36, 1.81) | < .0001 |
   Endemic country | -0.1 (-6.3, 6.1) | 0.98 | 1.05 (0.79, 1.39) | 0.74 | 1.08 (0.89, 1.31) | 0.44 |
   Blood products | 6.3 (-3.8, 16.4) | 0.22 | 0.93 (0.52, 1.65) | 0.79 | 1.19 (0.76, 1.89) | 0.45 |
Year of initiating cART | Â | Â | Â | Â | Â | Â |
   >2004 | -31.0 (-37.4, -24.6) | < .0001 | 0.36 (0.28, 0.46) | < .0001 | 0.49 (0.41, 0.57) | < .0001 |
   2001-2004 | -18.4 (-24.7, -12.1) | < .0001 | 0.62 (0.52, 0.73) | < .0001 | 0.70 (0.61, 0.80) | < .0001 |
   2000 (ref.) | 0 |  | 1 |  | 1 |  |
1st year of cART | -36.1 (-37.6, -34.6) | < .0001 | 0.15 (0.13, 0.18) | < .0001 | 0.27 (0.25, 0.30) | < .0001 |
Type of cART | Â | Â | Â | Â | Â | Â |
   NNRTI-based | 0 |  | 1 |  | 1 |  |
   Boosted PI-based | -16.7 (-20.0, -13.4) | < .0001 | 0.76 (0.64, 0.89) | < .001 | 0.71 (0.63, 0.80) | < .0001 |
   Single PI-based | 5.4 (-0.3, 11.0) | 0.06 | 1.37 (1.12, 1.68) | < .01 | 1.19 (1.02, 1.40) | 0.03 |
   Other cART | 6.2 (-0.2, 12.6) | 0.06 | 1.17 (0.89, 1.53) | 0.26 | 1.05 (0.86, 1.27) | 0.65 |
Boosted PI (Y/N) | -18.3(-21.4, -15.2) | < .0001 | 0.70 (0.60, 0.81) | < .0001 | 0.68 (0.61, 0.76) | < .0001 |
On cART at current visit | -32.2 (-34.9, -29.6) | < .0001 | 0.31 (0.28, 0.35) | < .0001 | 0.38 (0.35, 0.42) | < .0001 |
On cART at previous visit | -12.4 (-14.5, -10.3) | < .0001 | 0.58 (0.52, 0.65) | < .0001 | 0.65 (0.61, 0.70) | < .0001 |
Baseline CD4 count | Â | Â | Â | Â | Â | Â |
   >350 cells/mm3 | 12.7 (7.8, 17.7) | < .0001 | 1.43 (1.19, 1.72) | < .001 | 1.51 (1.31, 1.74) | < .0001 |
   200-350 cells/mm3 | 2.7 (-0.7, 6.1) | 0.12 | 0.94 (0.80, 1.10) | 0.44 | 0.97 (0.86, 1.09) | 0.57 |
   < 200 cells/mm3 (ref.) | 0 |  | 1 |  | 1 |  |
Baseline VL < 50 copies/mL | 17.3 (7.2, 27.3) | < .001 | 1.17 (0.82, 1.67) | 0.38 | 1.47 (1.13, 1.90) | < .01 |
Baseline VL (log10 copies/mL) | -7.2 (-9.2, -5.3) | < .0001 | 0.85 (0.79, 0.91) | < .0001 | 0.84 (0.79, 0.88) | < .0001 |
VL <50 copies/mL at previous test | 18.3 (16.5, 20.0) | < .0001 | 0.71 (0.64, 0.78) | < .0001 | 1.18 (1.11, 1.26) | < .0001 |
VL (log10 copies/mL) at previous visit | -3.1 (-3.9, -2.3) | < .0001 | 1.23 (1.18, 1.28) | < .0001 | 1.02 (0.99, 1.04) | 0.24 |
AIDS defining illness | -14.1 (-17.5, -10.6) | < .0001 | 0.53 (0.42, 0.68) | < .0001 | 0.59 (0.50, 0.70) | < .0001 |
Hepatitis C co-infection | 17.9 (13.0, 22.7) | < .0001 | 2.45 (2.06, 2.91) | < .0001 | 1.98 (1.74, 2.26) | < .0001 |
Positive for HCV antibodies | 14.0 (9.3, 18.7) | < .0001 | 2.13 (1.81, 2.50) | < .0001 | 1.64 (1.45, 1.85) | < .0001 |