Table 1.
Baseline characteristics
| Variable | Total | Intervention |
Control |
||||
|---|---|---|---|---|---|---|---|
| N | n | Mean | SD | n | Mean | SD | |
| Age | 672 | 337 | 28.4 | 5.5 | 335 | 28.5 | 5.2 |
| Gestation at randomisation | 669 | 335 | 27.8 | 1.0 | 334 | 27.8 | 1.1 |
| QOL (EQ5D)* | 667 | 334 | 5.6 | 1.0 | 333 | 5.6 | 1.0 |
| Pain expectation** | 666 | 335 | 6.5 | 0.8 | 331 | 6.4 | 0.9 |
| Views on Self-hypnosis** | 665 | 335 | 5.8 | 1.1 | 330 | 5.7 | 1.1 |
| Life Satisfaction*** | 668 | 336 | 28.0 | 4.8 | 332 | 28.1 | 5.0 |
| State Anxiety**** | 655 | 329 | 10.1 | 3.3 | 326 | 10.5 | 3.7 |
| Depression***** | 666 | 335 | 6.5 | 4.6 | 331 | 6.4 | 4.5 |
| Anxiety about labour** | 662 | 331 | 5.1 | 1.7 | 331 | 4.8 | 1.6 |
| Fear about labour** | 670 | 336 | 5.2 | 1.5 | 334 | 4.9 | 1.6 |
| N | n | n of event | % | n | n of event | % | |
|---|---|---|---|---|---|---|---|
| Education (% GCSE or below) | 665 | 333 | 70 | 21.0 | 332 | 54 | 16.3 |
| Ethnicity (% White) | 670 | 336 | 320 | 95.2 | 334 | 303 | 90.7 |
| BMI > 40 (%) at booking | 672 | 337 | 8 | 2.4 | 335 | 9 | 2.7 |
| Income (% below 24 000) | 652 | 324 | 99 | 30.6 | 328 | 89 | 27.1 |
| Birth companion identified (% yes) | 669 | 335 | 331 | 98.8 | 334 | 334 | 100.0 |
| Type of Maternity Care (% midwife led) | 655 | 327 | 287 | 87.8 | 328 | 288 | 87.8 |
| Predicted use of Epidural (% yes) | 571 | 280 | 40 | 14.3 | 291 | 44 | 15.1 |
*
Fifteen point scale.
**
Seven point scale.
***
35 max score: high = better.
****
Max score 24: high = worse.
*****
Max score 30: high = worse.