Table 2

 Summary statistics for the 1278 children included in the basic models*

NAllBoysGirlsp†
MeanSDMeanSDMeanSD
*Restricted to those with information on age, sex, birth weight, and dietary intake at each age. †p Value for difference between boys and girls obtained from t tests (continuous variables) or χ2 tests (categorical variables). ‡Mid-parental height was calculated as the average of maternal and paternal height.
Continuous variables:
Birth weight (g)12783466509350754234184640.002
Gestational age (weeks)127839.51.639.51.639.61.60.08
Weight at 8 months (kg)12268.81.09.11.08.50.9<0.001
Weight at 18 months (kg)109811.41.311.71.311.11.2<0.001
Weight at 43 months (kg)101116.31.916.51.916.12.00.002
Weight at 7 years (kg)92425.74.725.84.625.74.80.6
Energy intake at 8 months (kcal/day)1152812174836174784169<0.001
Energy intake at 18 months (kcal/day)998110022311342241058215<0.001
Energy intake at 43 months (kcal/day)848135025813822631308247<0.001
Energy intake at 7 years (kcal/day)771168331217303191626294<0.001
Total fat intake at 8 months (g/day)115232.89.233.59.131.99.40.004
Total fat intake at 18 months (g/day)99846.912.048.312.245.111.6<0.001
Total fat intake at 43 months (g/day)84855.813.856.914.354.413.00.01
Total fat intake at 7 years (g/day)77168.215.669.516.066.815.10.02
Saturated fat intake at 8 months (g/day)115214.54.914.74.914.14.90.03
Saturated fat intake at 18 months (g/day)99822.56.623.16.621.76.50.001
Saturated fat intake at 43 months (g/day)84824.87.425.37.724.27.00.03
Saturated fat intake at 7 years (g/day)77127.88.028.38.327.37.50.08
Carbohydrate intake at 8 months (g/day)1152107.923.4111.424.0103.622.0<0.001
Carbohydrate intake at 18 months (g/day)998136.630.4141.030.5131.129.2<0.001
Carbohydrate intake at 43 months (g/day)848176.335.5180.836.2170.433.8<0.001
Carbohydrate intake at 7 years (g/day)771226.747.5234.547.7217.345.6<0.001
Protein intake at 8 months (g/day)115227.78.528.68.726.68.2<0.001
Protein intake at 18 months (g/day)99841.510.242.710.540.19.7<0.001
Protein intake at 43 months (g/day)84846.811.848.011.945.111.5<0.001
Protein intake at 7 years (g/day)77155.012.556.712.852.911.7<0.001
Mid-parental height (cm)‡898170.34.9170.35.1170.34.70.95
Categorical variables: N % % % p†
Maternal social class: % class I and II41339.641.437.70.2
Paternal social class: % class I and II54148.749.148.30.8
Maternal highest education: % degree18214.715.613.70.4
Paternal highest education: % degree25921.623.219.70.1
Birth order: % firstborn57946.645.947.50.6