Binary logistic regression showing effects of sociodemographic factors on worries about going into labour, each variable adjusted for all others
| Very/quite worried about not knowing when labour would start | Very/quite worried about getting to the hospital in time | |
| OR (95% CI) | OR (95% CI) | |
| Maternal age (years) | ||
| <20 | 0.98 (0.60 to 1.61) | 0.78 (0.46 to 1.35) |
| 20–24 | 1.41 (1.09 to 1.83) | 1.20 (0.92 to 1.57) |
| 25–29 | 0.96 (0.79 to 1.16) | 1.10 (0.90 to 1.33) |
| 30–34 | 1.00 | 1.00 |
| 35–39 | 1.08 (0.88 to 1.34) | 1.05 (0.85 to 1.31) |
| 40+ | 0.91 (0.61 to 1.37) | 0.89 (0.59 to 1.35) |
| Parity | ||
| Primiparous | 1.00 | 1.00 |
| Multiparous | 0.72 (0.62 to 0.84) | 1.30 (1.11 to 1.52) |
| Index of multiple deprivation | ||
| 1 (least deprived) | 1.00 | 1.00 |
| 2 | 0.94 (0.74 to 1.19) | 0.96 (0.75 to 1.23) |
| 3 | 0.98 (0.77 to 1.24) | 1.01 (0.80 to 1.29) |
| 4 | 1.13 (0.89 to 1.42) | 1.00 (0.78 to 1.27) |
| 5 (most deprived) | 0.91 (0.71 to 1.17) | 0.92 (0.71 to 1.19) |
| Ethnicity | ||
| White | 1.00 | 1.00 |
| BME | 1.93 (1.56 to 2.39) | 1.56 (1.26 to 1.92) |
BME, black or minority ethnic group.