Recruitment measures | Â | |
 Eligible participants not consented | ||
 Number declined at booking scan | ||
 Number of participants randomised | ||
 | Usual care group | Intervention group |
Process measures | Â | X |
 Accuracy and completion rates of weight chart by midwives |  | X |
 How frequently did midwives encourage women to weight themselves weekly |  | X |
 Frequency of regular weighing by participants as recorded on weight record cards |  | X |
Outcomes | Â | Â |
 Weight | X | X |
 Depression and anxiety (HADS) [55] | X | X |
 Physical activity (Physical activity in pregnancy questionnaire [56] | X | X |
 Diet quality (Southampton food frequency questionnaire) [57] | X | X |
 Questions about diet and physical activity advice midwives have given during pregnancy | X | X |
 Maternal and neonatal complications (obtained from electronic hospital records) | X | X |