Maternal and family sociodemographisociodemographics
| Variable | Cape Winelands* | Mbekweni | TC Newman | Total | P values |
| n=787 490 | Number (% of each clinic) | ||||
| Maternal educational attainment | 0.038 | ||||
| Primary | 49 (7.8) | 37 (7.3) | 86 (7.6) | ||
| Some secondary | 340 (54.1) | 266 (52.3) | 606 (53.3) | ||
| Completed secondary | 193 723 (24.6) | 189 (30.1) | 183 (36.0) | 372 (32.7) | |
| Any tertiary | 82 686 (10.5) | 50 (8.0) | 23 (4.5) | 73 (6.4) | |
| Currently employed | 675 666 (85.8) | 157 (25.0) | 149 (29.3) | 306 (27.0) | 0.106 |
| Married/cohabiting | 282 709 (35.9) | 237 (37.8) | 221 (43.4) | 458 (40.3) | 0.054 |
| Unplanned pregnancy | 366 (68.0) | 286 (62.7) | 652 (65.6) | 0.079 | |
| Partner support | <0.001 | ||||
| Not at all/slightly supportive | 42 (7.8) | 46 (10.13) | 88 (8.9) | ||
| Moderately supportive | 86 (16.0) | 19 (4.2) | 105 (10.6) | ||
| Considerably/extremely supportive | 409 (76.1) | 389 (85.7) | 798 (80.5) | ||
| Reliance on partner for help | <0.001 | ||||
| Not at all/not very often | 53 (9.9) | 46 (10.1) | 99 (10.0) | ||
| Some of the time | 170 (31.7) | 28 (6.2) | 198 (20.0) | ||
| Most/all of the time | 314 (58.5) | 380 (83.7) | 694 (70.0) | ||
| Monthly income | 119 536/year (average) | <0.001 | |||
| <R1000 (<$75) | 263 (41.9) | 167 (32.8) | 430 (37.8) | ||
| R1000–R5000 ($75–374) | 299 (47.6) | 254 (49.9) | 553 (48.6) | ||
| >R5000 (>$374) | 66 (10.5) | 88 (17.3) | 152 (13.5) | ||