Fig 1.
Overview of GODDESS model (underpinning techniques and behavioural mechanisms).
EPE = ‘Elicit, Provide, Elicit’. OARS = ‘Open questions, Affirmations, Reflections, Summaries’. EE = ‘Express Empathy’. RR = ‘Roll Resistance’. DD = ‘Develop Discrepancy’. SS = ‘Support Self-efficacy’. SMART = Simple, Measurable, Achievable, Relevant, Time based.
Fig 2.
*Reasons for declining participation. No reason given n = 12. English not good enough n = 8. Too busy n = 5. Do not believe they have GDM n = 4. Not interested in research n = 2. Distance n = 2. Lack of childcare n = 2. Study too arduous or long n = 2. Already doing other research n = 2. Believes GDM will resolve once baby is born n = 1. Had GDM before so knows what she needs to do n = 1. **Reasons for declining participation after initial interest. Too busy n = 5. No reason given n = 4. Health issue (mother or baby) n = 3. Distance / travel is too much n = 3. Difficult circumstances n = 3. Involved in other research n = 2. Lack of childcare n = 2. Doesn’t speak good enough English n = 1. Too many appointments already n = 1. Fatigue n = 1. Believes GDM will resolve n = 1.
Table 1.
Baseline and birth outcome data by group: All participants and randomised participants.
Table 2.
Baseline and birth outcome data by completers and non-completers.
Table 3.
Data completion at baseline and follow up.
Table 4.
Number of MI sessions attended.
Table 5.
Number of participants attending each MI session.
Table 6.
Clinical outcomes at follow up (6 months postpartum) by on-treatment analysis using one way ANCOVA: All participants and randomised participants.
Fig 3.
Estimated marginal means weight change between pregnancy booking and follow-up.
Table 7.
Key learning points and strategies for optimising a future trial.