| Demographics | Incidence rate, crude, per 100 person-years | Rate ratio, adjusted (95% confidence limits) |
| Current age (years) | | | 18–24.9 | 10.4 (8.2, 13.2) | 13.21 (8.41, 20.75) | 25–29.9 | 9.1 (8.0, 10.4) | 10.81 (7.26, 16.09) | 30–34.9 | 7.0 (6.2, 7.8) | 7.93 (5.37, 11.70) | 35–39.9 | 3.6 (3.0, 4.2) | 4.01 (2.69, 5.99) | 40–45.0 | 0.9 (0.6, 1.3) |
1 | Baseline pregnancy | | | Pregnant | 6.2 (5.1, 7.7) | 0.80 (0.63, 1.03) | Not pregnant | 5.0 (4.7, 5.5) | 1 |
| Clinical (all time-updated) | | |
| HAART regimen | | | Includes EFV | 4.7 (4.3, 5.2) | 1 | Includes LPVr | 5.6 (4.7, 6.7) | 1.01 (0.82, 1.26) | Includes NVP | 8.2 (6.7, 9.9) | 1.19 (0.94, 1.50) | Body mass index (kg/m2) | | | <18.5 | 3.7 (2.6, 5.2) | 1 | 18.5–24.9 | 5.2 (4.7, 5.8) | 1.04 (0.71, 1.53) | 25.0–29.9 | 5.5 (4.8, 6.2) | 1.16 (0.78, 1.72) | ≥30 | 5.2 (4.3, 6.2) | 1.19 (0.79, 1.80) |
| Laboratory (all time updated) | | |
| Hemoglobin‡ | | | Normal | 5.3 (4.9, 5.8) | 1 | Low | 4.5 (3.7, 5.3) | 0.96 (0.76, 1.20) | CD4 count (cells/mm3) | | | ≤50 | 2.1 (1.3, 3.3) | 0.33 (0.15, 0.75) | 51–100 | 3.2 (2.2, 4.7) | 0.68 (0.42, 1.10) | 101–200 | 5.4 (4.5, 6.3) | 0.96 (0.77, 1.20) | 201–350 | 5.5 (4.8, 6.3) | 1 | 351–500 | 6.1 (5.3, 7.1) | >500 | 5.0 (4.2, 5.9) | Viral load (copies/mL) | | | ≤400 | 5.5 (5.0, 5.9) | 1 | 401–10,000 | 5.1 (3.6, 7.3) | 0.86 (0.59, 1.25) | >10,000 | 4.0 (2.8, 5.7) | 0.88 (0.60, 1.29) | Adherence | | | 0–79% | 3.7 (2.7, 5.3) | 0.67 (0.45, 1.01) | 80%–94% | 5.9 (5.2, 6.8) | 1.13 (0.95, 1.34) | ≥95% | 5.0 (4.5, 5.5) | 1 |
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