Table 1.

 Summary of data collection

Data collected	Timing of collection	Source
Mode of delivery preference	Baseline (approx. 19 weeks of pregnancy) and 37 weeks of pregnancy	Self‐reported postal questionnaire
Visual analogue ratings	During use of Decision Analysis Program (within 2 weeks of baseline)	Self‐reported (Decision Analysis group only)
Actual mode of delivery	Within a few weeks of birth	Hospital records