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Table 4 Baseline and final BMI z-scores of the study children and their parents

From: An educational intervention to prevent overweight in pre-school years: a cluster randomised trial with a focus on disadvantaged families

  n Child age 2-years Child age 4-years Change
Mean SD SE Mean SD SE Mean SD SE
Child BMI z-score:
 Control centres
  C1 8 0.08 0.52 0.18 0.75 0.47 0.17 0.67 0.31 0.11
  C2 9 −0.04 1.02 0.34 0.64 1.02 0.34 0.68 0.33 0.11
  C3 8 0.78 1.63 0.58 0.97 1.16 0.41 0.19 0.92 0.33
  C4 9 −0.00 1.03 0.34 0.67 0.65 0.22 0.67 0.62 0.21
  All 34 0.19 1.11 0.19 0.75 0.84 0.14 0.56 0.60 0.10
 Intervention centres
  H1 13 1.00 1.29 0.36 0.61 1.46 0.41 −0.39 0.69 0.19
  H2 13 0.52 1.32 0.37 0.26 0.87 0.24 −0.26 1.04 0.29
  H3 11 1.22 1.24 0.37 1.30 0.82 0.25 0.08 1.03 0.31
  H4 9 0.57 1.50 0.50 0.47 1.07 0.36 −0.10 1.29 0.43
  All 461 0.83 1.32 0.19 0.65 1.13 0.17 −0.18 0.99 0.15
Parent BMI:
 Control centres
  All 34 25.35 4.83 0.83 25.83 5.09 0.87 0.48 1.36 0.23
 Intervention centres
  All 47 26.53 5.81 0.85 27.28 6.64 0.97 0.75 2.94 0.43
  1. 1BMI z-score could not be calculated for one child due to morbid obesity beyond WHO range