Table 2.
Participant demographics, types of previous caesarean scar and place of birth
| TOTAL INCLUDED POPULATION | Fragmented care | CoC with a Doctor | CoC with a Midwife | Statistical differences | |
|---|---|---|---|---|---|
| N = 490 | n = 167 (34.1%) | n = 119 (24.3%) | n = 204 (41.6%) | pvalue | |
| N(%) | n(%) | n(%) | n(%) | ||
| Maternal age (in years) | 0.29 | ||||
| 18–24 | 33 (6.7) | 11 (6.6) | 4 (3.4) | 18 (8.8) | |
| 25–34 | 331 (67.6) | 117 (70.1) | 86 (72.3) | 128 (62.7) | |
| 35–39 | 108 (22) | 33 (19.8) | 27 (22.7) | 48 (23.5) | |
| > 40 | 18 (3.7) | 6 (3.6) | 2 (1.7) | 10 (4.9) | |
| Country of birth | 0.93 | ||||
| Australia | 419 (85.5) | 140 (83.8) | 106 (89.1) | 173 (84.8) | |
| New Zealand | 13 (2.6) | 7 (4.2) | 1 (0.8) | 5 (2.5) | |
| UK | 18 (3.7) | 8 (4.8) | 4 (3.4) | 6 (2.9) | |
| North America & Canada | 10 (2) | 4 (2.4) | 2 (1.7) | 4 (2) | |
| South America | 8 (1.6) | 2 (1.2) | 1 (0.8) | 5 (2.5) | |
| Europe & Russia | 10 (2) | 2 (1.2) | 3 (2.5) | 5 (2.5) | |
| Asia & Pacific | 6 (1.2) | 2 (1.2) | 1 (0.8) | 3 (1.5) | |
| Africa | 6 (1.2) | 2 (1.2) | 1 (0.8) | 3 (1.5) | |
| Combined annual family income | ≤ 0.001 | ||||
| < 40,000 | 19 (3.9) | 11 (6.6) | 1 (0.8) | 7 (3.4) | |
| $40,000 - $59,999 | 45 (9.2) | 19 (11.4) | 8 (6.7) | 18 (8.8) | |
| $60,000 - $79,999 | 73 (14.9) | 33 (19.8) | 12 (10.1) | 28 (13.7) | |
| $80,000 - $99,999 | 83 (16.9) | 34 (20.4) | 12 (10.1) | 37 (18.1) | |
| >$100,000 | 242 (49.4) | 57 (34.1) | 79 (66.4) | 106 (52) | |
| Prefer not to answer | 27 (5.5) | 13 (7.8) | 7 (5.9) | 7 (3.4) | |
| Missing | 1 (0.2) | 0 (0) | 0 (0) | 1 (0.5) | |
| State or Territory of VBAC | 0.21 | ||||
| NSW | 175 (35.7) | 58 (34.7) | 42 (35.3) | 75 (36.8) | |
| QLD | 92 (18.8) | 28 (16.8) | 22 (18.5) | 42 (20.6) | |
| VIC | 79 (16.1) | 34 (20.4) | 20 (16.8) | 25 (12.3) | |
| ACT | 8 (1.6) | 2 (1.2) | 1 (0.8) | 5 (2.5) | |
| TAS | 6 (1.2) | 2 (1.2) | 4 (3.4) | 0 (0.0) | |
| WA | 89 (18.2) | 28 (16.8) | 19 (16) | 42 (20.6) | |
| SA | 27 (5.5) | 9 (5.4) | 8 (6.7) | 10 (4.9) | |
| NT | 4 (0.8) | 3 (1.8) | 0 (0.0) | 1 (0.5) | |
| Missing | 10 (2) | 3 (1.8) | 3 (2.5) | 4 (2) | |
| Highest level of education | 0.002 | ||||
| Year 10 or School Certificate | 25 (5.1) | 13 (7.8) | 7 (5.9) | 5 (2.5) | |
| Year 12 or Higher School Certificate | 64 (13.1) | 32 (19.2) | 13 (10.9) | 19 (9.3) | |
| TAFE or Diploma | 108 (22) | 43 (25.7) | 22 (18.5) | 43 (21.1) | |
| Undergraduate or University Qualification | 178 (36.3) | 51 (30.5) | 41 (34.5) | 86 (42.2) | |
| Post-graduate (eg. Graduate Diploma, Masters, PhD) | 115 (23.5) | 28 (16.8) | 36 (30.3) | 51 (25) | |
| Ethnicity | 0.70 | ||||
| Australian | 381 (77.8) | 133 (79.6) | 95 (79.8) | 153 (75) | |
| Aboriginal and/or Torres Strait Islander | 9 (1.8) | 4 (2.4) | 2 (1.7) | 3 (1.5) | |
| New Zealander / Maori | 15 (3.1) | 7 (4.2) | 1 (0.8) | 7 (3.4) | |
| European | 48 (9.8) | 14 (8.4) | 12 (10.1) | 22 (10.8) | |
| Middle Eastern | 6 (1.2) | 2 (1.2) | 1 (0.8) | 3 (1.5) | |
| Asian | 7 (1.4) | 2 (1.2) | 3 (2.5) | 2 (1) | |
| Americas | 14 (2.9) | 3 (1.8) | 3 (2.5) | 8 (3.9) | |
| African | 2 (0.4) | 1 (0.6) | 0 (0) | 1 (0.5) | |
| Other | 6 (1.2) | 0 (0) | 1 (0.8) | 5 (2.5) | |
| Missing | 2 (0.4) | 1 (0.6) | 1 (0.8) | 0 (0) | |
| Type of caesarean scar | 0.75 | ||||
| Lower uterine transverse | 465 (94.9) | 160 (95.8) | 114 (95.8) | 191 (93.6) | |
| Classical | 10 (2) | 3 (1.8) | 1 (0.8) | 6 (2.9) | |
| Inverted T | 5 (1) | 2 (1.2) | 1 (0.8) | 2 (1) | |
| Low vertical | 2 (0.4) | 0 (0) | 0 (0) | 2 (1) | |
| Upright T | 1 (0.2) | 0 (0) | 0 (0) | 1 (0.5) | |
| Lower uterine extended | 5 (1.0) | 1 (0.6) | 2 (1.7) | 2 (1) | |
| Place of birth if VBAC | ≤ 0.001 | ||||
| At home freebirth | 8 (2.5) | 6 (5.4) | 0 (0) | 2 (1.4) | |
| At home with midwife | 41 (12.6) | 1 (0.9) | 1 (1.4) | 39 (27.5) | |
| Birth centre | 6 (1.8) | 2 (1.8) | 0 (0) | 4 (2.8) | |
| Hospital | 269 (82.5) | 102 (91.9) | 70 (97.2) | 96 (67.6) | |
| Accidental homebirth / on way to hospital | 1 (0.3) | 0 (0) | 0 (0) | 1 (0.7) | |
| Missing | 1 | 0 (0) | 1 (1.4) | 0 (0) |