Table 1 Demographic variables birth seat births compared to all other positions excl. ceaserean section
Birth seat group | Control group | RR/mean difference | ||
|---|---|---|---|---|
n= 253 | n= 697 | (95% CI) | P-value | |
n (%) | n (%) | |||
Age groups | ||||
< 25 years | 44 (17.4) | 121 (17.3) | 1.00 (0.73 - 1.37) | 1.00 |
25-35 years | 192 (75.1) | 495 (71.1) | 1.06 (0.98 - 1.16) | 0.14 |
> 35 years | 19 (7.5) | 81 (11.6) | 0.64 (0.40 - 1.04) | 0.07 |
Body Mass Index (SD) | 22.7 (±5.1) | 22.7 (±5.1) | 0.37 (0.80 - 6.65) | 0.85 |
Smoking | 22 (8.0) | 95 (13.6) | 0.63 (0.41 - 0.99) | 0.04 |
Previous caesarean section | 2 (0.7) | 7 (1.0) | 0.78 (0.16 - 3.76) | 1.00 |
Gestational Age | ||||
< 37 + 6 weeks | 10 (3.9) | 29 (4.1) | 0.95 (0.47 - 1.91) | 1.00 |
38 + 0 - 40 + 6 weeks | 202 (79.8) | 521 (74.7) | 1.06 (0.99 - 1.15) | 0.12 |
> 41 + 0 weeks | 41 (16.2) | 147 (21.0) | 0.76 (0.56 - 1.08) | 0.09 |