Table 2 Estimated means, percentages and parameters used in the M1, M2 and M3 modules of the MICH model

 Gestational age (weeks)

–

39.5 [1.8]

39.6 [0.28]

 Birth weight (kg)

–

3237 [499]

3218 [66]

 Weight at 6 months (kg)

–

7539 [942]

7774 [241]

 Weight at 18 months (kg)

–

11,162 [1285]

11,286 [256]

 BMI at 48 months

–

15.6 [1.7]

15.5 [0.2]

 BMI at 84 months

–

15.9 [2.1]

16.0 [0.5]

 BMI at 120 months

–

17.3 [2.6]

17.9 [1.0]

 Female gender

51.60%

49.30%

–

 Log of Equivalised income

7.02 [0.67]

7.38 [0.26]

–

 Foreign citizenship of the mother

16.80%

4.20%

–

 Age of the mother

33.6 [5.2]

33.3 [4.4]

–