Table 3 Unadjusted and Adjusted Odds Ratio for Viral suppression between participants < 50 and ≥ 50 years by time since ART initiation
| Â | Unadjusted OR | Adjusted ORa | ||
|---|---|---|---|---|
OR | 95% CI | aOR | 95% CI | |
Age | ||||
  < 50 | Ref |  | – |  |
  > 50 | 1.21 | 0.73–2.00 | 1.23 | 0.71–2.13 |
Time | ||||
 ART initiation | Ref |  | – |  |
 6 months | 4.29 | 3.56–5.17 | 4.38 | 3.53–5.43 |
 12 months | 4.29 | 3.56–5.16 | 4.48 | 3.65–5.50 |
 18 months | 4.26 | 3.54–5.13 | 4.26 | 3.43–5.30 |
 24 months | 4.16 | 3.45–5.02 | 4.30 | 3.49–5.29 |
 30 months | 4.33 | 3.59–5.23 | 4.50 | 3.64–5.56 |
 36 months | 4.34 | 3.60–5.22 | 4.39 | 3.56–5.40 |
 42 months | 4.50 | 3.73–5.43 | 4.74 | 3.82–5.89 |
Age*visit interaction | ||||
 Age ≥ 50* 6 months | 0.82 | 0.49–1.39 | 0.78 | 0.42–1.47 |
 Age ≥ 50* 12 months | 0.88 | 0.53–1.45 | 0.84 | 0.49–1.44 |
 Age ≥ 50* 18 months | 0.83 | 0.50–1.37 | 0.86 | 0.49–1.53 |
 Age ≥ 50* 24 months | 0.92 | 0.55–1.52 | 0.90 | 0.52–1.57 |
 Age ≥ 50* 30 months | 0.85 | 0.51–1.41 | 0.80 | 0.45–1.44 |
 Age ≥ 50* 36 months | 0.86 | 0.50–1.47 | 0.84 | 0.46–1.51 |
 Age ≥ 50* 42 months | 0.81 | 0.46–1.42 | 0.86 | 0.50–1.49 |