Table 3. Adjusted incidence rate ratios for intervention effects in access rates to HIV testing and treatment services over the 23 months of the intervention.
| Incidence rate ratio (95% CI)1 | P value | Incidence rate ratio (95% CI)1 | P value | |
|---|---|---|---|---|
| The first 12 months of the trial | HIV testing uptake* | ART treatment initiations | ||
| Overall effect (unadjusted) | 1.221 (0.810–1.839) | 0.340 | 1.128 (0.895–1.422) | 0.308 |
| Overall effect (adjusted) | 1.61 (1.385–1.869) | <0.001 | 1.347 (1.00–1.694) | 0.049 |
| Covariates: | ||||
| Intervention Arm2 | 1.626 (1.443,1.832) | <0.001 | 1.356 (1.003, 1.833) | 0.048 |
| Baseline rate3 | 0.999 (0.999,0.9998) | 0.016 | 1.003 (0.993, 1.013) | 0.567 |
| Month4 | 0.949 (0.934,0.964) | <0.001 | 0.992 (0.962, 1.024) | 0.619 |
| Gender | 0.011 (0.003,0.039) | <0.001 | 0.319 (0.002, 44.68) | 0.650 |
| Interaction between trial arm and month5 | 0.990 (0.960,1.020) | 0.489 | 0.993 (0.949, 1.040) | 0.778 |
| Number of testing or treatment sites6 | 1.134 (1.079,1.193) | <0.001 | 1.194 (1.069, 1.333) | 0.002 |
| The last 11 months of the trial* | ||||
| Overall effect (unadjusted) | 0.799 (0.665–0.960) | 0.016 | ||
| Overall effect (adjusted) | 0.924 (0.369–2.309 | 0.863 | ||
| Covariates: | ||||
| Intervention Arm2 | 0.927 (0.389, 2.205) | 0.863 | ||
| Baseline rate3 | 0.994 (0.990, 0.999) | 0.011 | ||
| Month4 | 1.08 (1.062, 1.100) | <0.001 | ||
| Gender | 1.476 (0.128,16.960) | 0.755 | ||
| Interaction between trial arm and month5 | 0.997 (0.949, 1.047) | 0.898 | ||
| Number of testing or treatment sites6 | 1.146 (1.093, 1.201) | <0.001 |
1Incidence Rate Ratio (IRR) = rate in Early arm/rate in Delayed arm
2Intervention status (Early/Delayed)
3Baseline testing or treatment initiation rates
4Month of observation
5interaction between intervention status and measurement time
6number of testing or treatment sites.
*no data were available on HIV testing uptake in the last 11 months