- Abbreviations: BMI body mass index
- aMissing values not included (sex of the child n = 438; birth weight n = 8,867; parity n = 13,578; origin n = 238; smoking n = 21,507)
- bGestational age at birth < 37 full weeks and zero days (37+0). cBirth weight < 2500 grams. dData only available from 2004 and onwards (Missing values BMI n = 340,977)