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Table 5 Multilevel regression analysis for body composition variables

From: Effect of a school-based intervention to promote healthy lifestyles in 7–11 year old children

  Estimated % body fat BMI BMI-SDS Waist circumference
  β CI p β CI p β CI p β CI p
Constant 17.7 16.9, 18.5 .000 17.0 16.6, 17.4 .000 0.3 0.1, 0.5 .000 59.7 58.5, 60.9 .000
Sex 8.2 7.5, 8.8 .000 0.4 0.1,0.7 .003 -0.1 -0.2, 0.01 .036 -1.3 -2.0, -0.5 .000
Group 1.6 0.5, 2.6 .001 1.2 0.6, 1.7 .000 0.4 0.2, 0.7 .000 2.6 1.0, 4.2 .001
Age 1.3 0.9, 1.7 .000 0.6 0.4, 0.8 .000 0.03 -0.1, 0.1 .227 2.4 1.9, 2.9 .000
Age2 0.5 -.04, 1.0 .035 0.3 .01, 0.5 .019 0.1 -.01, 0.2 .036 0.4 -0.2, 1.0 .102
Constant -0.9 -1.7, -0.2 .005 -0.4 -0.8, -0.1 .003 -0.2 -0.3, -0.1 .002 -1.0 -0.2, -2.5 .007