Table 4.
Incidence rate ratios of pregnancy based on father and adult male presence in household among AGYW who participated in the HPTN 068 conditional cash transfer trial in Agincourt, South Africa, which took place between March 2011 and December 2015, including post-intervention visits conducted until April 2017
| Crude | Adjusted | |||||||
|---|---|---|---|---|---|---|---|---|
|
|
||||||||
| Cases | Person years | IR/100PY1 | IRR | Wald 95% CI | aIR R2 | Wald 95% CI | Wald chi-square p-value | |
| All AGYW | 740 | 7012.3 | 10.55 | -- | -- | -- | -- | -- |
| Father’s living status (model 1) | ||||||||
| Father present in household (ref) | 285 | 2867.2 | 9.94 | (ref) | (ref) | (ref) | (ref) | (ref) |
| Father lives elsewhere | 232 | 2124.5 | 10.92 | 1.10 | (0.92, 1.31) | 1.12 | (0.95, 1.34) | 0.286 |
| Father deceased | 223 | 2020.6 | 11.04 | 1.11 | (0.93, 1.32) | 1.09 | (0.92, 1.30) | 0.241 |
| Father and adult male presence (model 2) | ||||||||
| Father present in household (ref) | 285 | 2867.2 | 9.94 | (ref) | (ref) | (ref) | (ref) | (ref) |
| Father absent from household; adult males present in household | 212 | 2205.1 | 9.61 | 0.97 | (0.81, 1.16) | 0.96 | (0.81, 1.15) | 0.713 |
| Father and adult males absent from household | 243 | 1940.0 | 12.53 | 1.26 | (1.06, 1.50) | 1.27 | (1.07, 1.51) | <0.01 |
| Father and adult male presence combined with father’s living status (model 3) | ||||||||
| Father present in household (ref) | 285 | 2867.2 | 9.26 | (ref) | (ref) | (ref) | (ref) | (ref) |
| Father lives elsewhere; adult males absent from household | 125 | 1045.4 | 10.77 | 1.16 | (0.86, 1.58) | 1.23 | (0.99, 1.52) | 0.056 |
| Father lives elsewhere, adult males present in household | 107 | 1079.0 | 10.22 | 1.10 | (0.81, 1.50) | 1.02 | (0.82, 1.27) | 0.087 |
| Father dead; adult males absent from household | 118 | 894.5 | 12.45 | 1.34 | (0.99, 1.82) | 1.30 | (1.05, 1.61) | 0.016 |
| Father dead; adult males present in household | 105 | 1126.1 | 9.34 | 1.01 | (0.74, 1.38) | 0.92 | (0.74, 1.15) | 0.462 |