Pregnancy risk factors
|
Maternal smoking during pregnancy
|
Self-report at 26–28 weeks gestation
|
No, Yes
|
Gestational diabetes
|
Extracted from maternity notes
|
No, Yes
|
Maternal booking BMI
|
Weight at booking from maternity notes, height measured at 26–28 weeks gestation
|
Underweight/normal (BMI ≤ 24.9)
|
Overweight (BMI 25–29.9)
|
Obese (BMI ≥ 30)
|
Postnatal risk factors
|
Duration of any breastfeeding
|
Self-report at 6 and 12 months
|
Never, 1 day to <1 month, 1 to 4 months, 4+ months
|
Age at weaning on to solids
|
Self-report at 6 and 12 months
|
≥17 weeks, <17 weeks
|
Infant’s total energy intake per day
|
Food Frequency Questionnaire (FFQ) at 12 months
|
Kcals per day: continuous
|
Infant’s total protein intake per day
|
FFQ at 12 months
|
Grams per day: continuous
|
Caregivers feeding style
|
Questionnaire at 24 months
|
Authoritative, Authoritarian, Indulgent, Uninvolved
|
Parenting style – Parental self-efficacy
|
Questionnaire at 24 months
|
High, lower scores (bottom quintile)
|
Parenting style –Parental warmth
|
Questionnaire at 24 months
|
High, lower scores (bottom quintile)
|
Parenting style – Parental hostility
|
Questionnaire at 24 months
|
Low, higher scores (top quintile)
|
Infant TV viewing time
|
Questionnaire at 24 months
|
Hours per day: None, 0-1 hr, 1-2 hrs, 2+ hours
|
Maternal TV viewing time
|
Questionnaire at 24 months
|
Hours per day: 0-2 hrs, 2-4 hrs, 4 + hrs
|
Total infant sleep duration
|
Questionnaire at 24 months
|
Hours per day: <11 hrs, 11-12 hrs, 12-13 hrs, 13 + hrs
|
Mothers physical activity
|
Questionnaire at 18 months
|
Sedentary (no activity), insufficiently active (<150 mins per week), sufficiently active (≥150 mins per week)
|