Outcomes | Measure | When* |
---|---|---|
Primary outcome | Â | Â |
Maternal weight expressed as BMI relative to height measured at baseline | Calibrated adult scales & stadiometer | B, 36w, 6p, 6Â m, 12Â m |
Secondary outcomes | ||
Antenatal and birth complications** | Routinely collected data held in patient records | Birth |
Pregnancy weight gain | Calibrated adult scales | B, 36w |
Waist circumference and waist-hip ratio | Measuring tape | 12Â m |
Child weight centile (adjusted for birth weight and age) | Calibrated baby scales and measuring tape | Birth, 6p, 6Â m, 12Â m |
Admission to neonatal unit | Patient records | Birth |
General mental health | General Health Questionnaire (GHQ) 12 [82] | B, 36w, 6p, 6Â m, 12Â m |
Breast feeding intentions | Study-developed questions | 36w |
Breast feeding behaviour and weaning | Study-developed questions | 6p, 6Â m, 12Â m |
Self-reported physical activity | B, 36w, 6p, 6Â m, 12Â m | |
Diet | Dietary Instrument for Nutrition Education (DINE) [86] (plus additional questions on fruit and vegetables, sugar, sweets) | B, 36w, 6p, 6Â m, 12Â m |
Alcohol | Alcohol Use Disorders Identification Test-Consumption (AUDIT-C) [87] | B, 36w, 6p, 6Â m, 12Â m |
Smoking | Study-developed questions | B, 36w, 6p, 6Â m, 12Â m |
Costs | Participant resource use | B, 36w, 6p, 6Â m, 12Â m |
Health related quality of life | EQ-5D (including visual analogue scale) [88] | B, 36w, 6p, 6Â m, 12Â m |