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Table 2 Pre-intervention distribution of selected covariates by group

From: The Healthy Start project: a randomized, controlled intervention to prevent overweight among normal weight, preschool children at high risk of future overweight

  Intervention group Control group P (t-test)
  n Mean SD n Mean SD  
Age (years) 271 4.0 1.1 272 4.0 1.1 1.00
Height (cm) 271 104.3 9.2 272 104.5 9.1 0.77
Weight (kg) 271 17.4 3.1 272 17.6 3.0 0.45
BMI (kg/m 2 ) 271 15.9 1.0 272 16.0 1.0 0.12
Waist circumference (cm) 253 51.8 3.2 257 52.1 3.0 0.22
Hip circumference (cm) 252 55.5 3.6 255 56.0 3.9 0.19
Sum of 4 skinfolds (mm) 236 24.6 5.4 242 24.8 5.2 0.67
Body fat (%) 199 22.3 10.1 176 21.3 8.9 0.33
Energy intake (MJ) 237 4.7 1.0 244 4.8 1.0 0.15
Carbohydrate intake (gr./day) 237 158.0 36.0 244 164.1 35.3 0.06
Protein intake (gr./day) 237 42.8 11.2 244 44.6 10.3 0.07
Fat intake (gr./day) 237 38.1 10.1 244 38.1 11.2 0.96
Sugar intake (gr./day) 237 56.2 16.5 244 58.5 16.5 0.12
Sleep latency (minutes) 250 18.3 14.5 256 18.6 13.9 0.84
SDQ-score (points) 253 7.1 3.9 256 6.4 4.0 0.05*
Household income (thousands, DKK) 217 870 622 231 788 306 0.07