Table 4.
The relationship between female migration and risk of HIV acquisition before and after ART scale-up period in the AHRI population-based HIV incidence cohort
| Category | HR | aHR | SE | 95% CI | ||
|---|---|---|---|---|---|---|
| Age category: [40+] | 15–19 | 7.39*** | 4.98*** | 0.63 | 3.14 | 7.89 |
| 20–24 | 10.86*** | 5.61*** | 0.85 | 3.63 | 8.68 | |
| 25–29 | 9.46*** | 4.15*** | 0.83 | 2.63 | 6.56 | |
| 30–34 | 5.83*** | 2.51*** | 0.65 | 1.51 | 4.15 | |
| 35–39 | 2.80*** | 1.46 | 0.39 | 0.83 | 2.56 | |
| Marital status: [Single] | Divorced/Separated | 0.07*** | 0.97 | 0.51 | 0.35 | 2.74 |
| Married - Monogamous | 0.19*** | 0.48*** | 0.11 | 0.31 | 0.77 | |
| Married - Polygamous | 0.13*** | 0.27 | 0.28 | 0.04 | 1.97 | |
| Sexual debut age: [Before age of 17] | After 17 | 0.64*** | 0.83*** | 0.07 | 0.69 | 0.98 |
| Ever pregnant: [Yes] | No | 1.00 | 1.20 | 0.24 | 0.81 | 1.77 |
| Contraception use: [Yes] | No | 0.72*** | 1.00 | 0.11 | 0.81 | 1.24 |
| Number of sexual partners: [Less than 5 partners] | ≥5 | 1.99*** | 0.75 | 0.21 | 0.44 | 1.29 |
| Household income: [Middle 60%] | Bottom 20% | 0.93 | 1.07 | 0.12 | 0.86 | 1.34 |
| Top 20% | 0.80*** | 0.91 | 0.11 | 0.71 | 1.16 | |
| Area: [Rural] | Peri-urban | 1.38*** | 1.32*** | 0.12 | 1.10 | 1.58 |
| Urban | 1.22 | 0.84 | 0.29 | 0.43 | 1.64 | |
| Number of external migration movements per year: [None] | One movement per year | 2.10*** | 0.90 | 0.23 | 0.54 | 1.49 |
| Two or more years movement per year | 2.88*** | 2.94*** | 0.94 | 1.56 | 5.53 | |
| ART scale-up period: [Before 2010] | Year 2010 and on | 0.81*** | 1.04 | 0.12 | 0.82 | 1.32 |
| Interaction terms of annual movement and ART-scale-up period [Before 2010] | Once per-year/2010 and on | 1.21 | 0.50 | 0.53 | 2.72 | |
| Twice or more per-year/2010 and on | 0.18*** | 0.14 | 0.04 | 0.83 | ||
* p < 0.05, **p < 0.01, ***p < 0.001 only for bivariate analyses
Reference category in bracket