Table 2 Baseline factors associated with ‘MV frequency’
Determinant | Exposed at Baseline (N) | MV frequency ≥ 1 n (weighted %) | Adjusted IRR | 95% CI | p-value |
|---|---|---|---|---|---|
ALL -> | 2650 | 1548 (58.8) | |||
Caregiver | |||||
Mother | 2607 | 1514 (58.4) | ref | ||
Other | 43 | 34 (75.2) | 0.8 | 0.6–1.2 | 0.251 |
Mother’s agea | 0.01 | ||||
13–24 years | 681 | 447 (66.1) | ref | ||
25–34 years | 1480 | 848 (56.8) | 0.9 | 0.8–1.0 | 0.01 |
35–50 years | 482 | 248 (53.5) | 0.8 | 0.7–1.0 | 0.012 |
Disclosure of mother’s HIV status | 0.128 | ||||
Yes | 2087 | 1144 (54.5) | ref | ||
No | 455 | 305 (66.7) | 1.1 | 1.0–1.3 | 0.057 |
Unknown | 108 | 99 (89.6) | 0.8 | 0.4–1.7 | 0.596 |
Mother on ART by 6 weeks | 0.0003 | ||||
Yes | 1445 | 769 (53.1) | ref | ||
No | 1083 | 668 (61.1) | 1.2 | 1.1–1.4 | < 0.0001 |
Unknown | 122 | 111 (89.2) | 1.8 | 0.9–3.5 | 0.083 |
Infant on NVP by 6 weeks | 0.025 | ||||
Yes | 2329 | 1331 (56.4) | ref | ||
No | 114 | 68 (62.2) | 1.2 | 1.0–1.4 | 0.118 |
Unknown | 207 | 159 (77.7) | 1.4 | 1.1–1.8 | 0.02 |
Travel | 0.012 | ||||
Own car | 99 | 70 (72.3) | ref | ||
Walked < 30 min | 1182 | 674 (58.6) | 0.7 | 0.6–0.9 | 0.002 |
Walked > 30 min | 283 | 173 (59.1) | 0.8 | 0.6–1.0 | 0.068 |
Public transport < 30 min | 872 | 498 (56.8) | 0.7 | 0.6–0.9 | 0.004 |
Public transport > 30 min | 214 | 133 (61.5) | 0.9 | 0.7–1.1 | 0.231 |
Province | < 0.0001 | ||||
WC | 246 | 134 (56.7) | ref | ||
NW | 221 | 112 (51.1) | 1.2 | 0.9–1.5 | 0.305 |
NC | 84 | 38 (46.3) | 0.6 | 0.4–0.9 | 0.006 |
MP | 315 | 193 (62.3) | 1.3 | 1.0–1.7 | 0.025 |
LP | 266 | 199 (73.8) | 1.9 | 1.4–2.4 | < 0.0001 |
KZN | 442 | 226 (51.8) | 1.3 | 1.0–1.6 | 0.103 |
GP | 524 | 327 (63.7) | 1.7 | 1.3–2.2 | < 0.0001 |
FS | 275 | 171 (62.4) | 1.6 | 1.3–2.1 | < 0.0001 |
EC | 277 | 148 (55.1) | 1.2 | 0.9–1.6 | 0.333 |