Table 1 Comparison of demographic and labour and delivery characteristics between vaginal deliveries, emergency c-sections and planned c-sections
Characteristic | Full Sample N = 30211 | Vaginal N = 2279a | Emergency c-section N = 438a | Planned c-section N = 301a | P-value |
|---|---|---|---|---|---|
| Â | n (%) | n (%) | n (%) | n (%) | Â |
Demographics | |||||
Maternal age at delivery | |||||
 Mean (SD) | 31.7 (4.4) | 31.5 (4.4) | 31.8 (4.5) | 33.3 (4.4) | < 0.001 |
Marital status | |||||
 Married/Common Law | 2855 (95.3) | 2150 (95.2) | 409 (93.6) | 293 (98.7) | 0.006 |
 Other | 141 (4.7) | 109 (4.8) | 28 (6.4) | 4 (1.3) | |
Education | |||||
 High school or less | 297 (9.9) | 222 (9.8) | 44 (10.1) | 30 (10.1) | 0.998 |
 Some or completed university/college | 2233 (74.5) | 1683 (74.5) | 327 (74.8) | 222 (74.5) | |
 Some or completed grad school | 467 (15.6) | 354 (15.7) | 66 (15.1) | 46 (15.4) | |
Ethnicity | |||||
 Caucasian | 2385 (79.6) | 1822 (80.6) | 327 (75.0) | 233 (78.7) | 0.026 |
 Non-Caucasian | 610 (20.4) | 438 (19.4) | 109 (25.0) | 63 (21.3) | |
Income | |||||
 < $60,000 | 471 (16.2) | 352 (16.1) | 80 (18.8) | 39 (13.6) | 0.164 |
 ≥ $60,000 | 2434 (83.8) | 1838 (83.9) | 345 (81.2) | 248 (86.4) | |
Born in Canada | |||||
 Yes | 2368 (78.9) | 1809 (80.0) | 323 (73.9) | 233 (78.2) | 0.017 |
 No | 632 (21.1) | 453 (20.0) | 114 (26.1) | 65 (21.8) | |
Labour and delivery | |||||
Parity | |||||
 No previous births | 1458 (48.9) | 1094 (48.6) | 304 (69.9) | 60 (20.3) | < 0.001 |
 ≥1 previous birth | 1524 (51.1) | 1155 (51.4) | 131 (30.1) | 235 (79.7) | |
Gestational age | |||||
 < 37 weeks | 211 (7.0) | 146 (6.5) | 55 (12.7) | 10 (3.4) | < 0.001 |
 ≥ 37 weeks | 2784 (93.0) | 2117 (93.5) | 379 (87.3) | 285 (96.6) | |
Small for gestational ageb | |||||
 Yes | 300 (10.6) | 227 (10.5) | 51 (12.6) | 22 (8.0) | 0.152 |
 No | 2537 (89.4) | 1927 (89.5) | 353 (87.4) | 254 (92.0) | |