Table 2. Baseline characteristics of the population included in the individual patient data MA.
| Variable | IOL group (n = 2,281) | EM group (n = 2,280) |
|---|---|---|
| Maternal age at randomisation (years) | n = 2,281 | n = 2,280 |
| Mean (standard deviation) | 31.0 (4.8) | 30.7 (4.6) |
| Age ≥35 | 479 (21.0) | 431 (18.9) |
| Parity (includes stillbirths and live births) | n = 2,281 | n = 2,280 |
| Nulliparous | 1,219 (53.4) | 1,264 (55.4) |
| Multiparous | 1,062 (46.6) | 1,016 (44.6) |
| BMI at first antenatal visit | n = 2,152* | n = 2,153* |
| Mean (standard deviation) | 24.8 (4.6) | 25.1 (4.8) |
| BMI ≥30 | 246 (11.4) | 301 (14.0) |
| Higher professional education/university | 1,075/2,121 (50.7)* | 1,102/2,143 (51.4)* |
Values are numbers (percentages) unless stated otherwise.
* Information on all participants was not available.
BMI, body mass index; EM, expectant management; IOL, induction of labour; MA, meta-analysis.