Multivariable analysis of associations with MomConnect registration
| Factor | Univariable model | Multivariable model |
| OR (95% CI) | OR (95% CI) | |
| HIV status | ||
| Positive | 1.00 (0.98 to 1.02) | 0.80 (0.78 to 0.82) |
| Age category (years) | ||
| <20 | 0.71 (0.68 to 0.73) | 0.63 (0.62 to 0.66) |
| 25–29 | 1.00 (ref) | 1.00 (ref) |
| 20–24 | 1.07 (1.05 to 1.09) | 1.01 (0.98 to 1.03) |
| 30–34 | 0.89 (0.87 to 0.91) | 0.82 (0.80 to 0.85) |
| 35–39 | 0.77 (0.75 to 0.80) | 0.78 (0.75 to 0.81) |
| 40–44 | 0.51 (0.48 to 0.54) | 0.47 (0.44 to 0.51) |
| >44 | 0.12 (0.10 to 0.14) | 0.05 (0.04 to 0.06) |
| Facility type | ||
| Primary healthcare* | 1.00 (ref) | 1.00 (ref) |
| MOU | 0.20 (0.20 to 0.20) | 0.39 (0.38 to 0.39) |
| Regional hospital | 0.03 (0.03 to 0.03) | 0.02 (0.02 to 0.02) |
| District hospital | 0.04 (0.04 to 0.04) | 0.02 (0.02 to 0.02) |
| National central hospital | 0.03 (0.03 to 0.04) | 0.06 (0.06 to 0.06) |
| Pregnancy year† | ||
| 2014 | 0.13 (0.12 to 0.13) | 0.12 (0.12 to 0.13) |
| 2015 | 1.00 (ref) | 1.00 (ref) |
| 2016 | 1.58 (1.54 to 1.60) | 1.63 (1.59 to 1.67) |
| 2017 | 0.99 (0.96 to 1.01) | 0.87 (0.85 to 0.90) |
| Metro/outside metro | ||
| Outside the metro | 1.64 (1.61 to 1.67) | 4.88 (4.74 to 5.03) |
*The primary healthcare facility type combines clinic, satellite service and mobile service in table 1 and excludes maternity and obstetric units (MOUs).
†Data are incomplete for 2014 and 2017.