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Table 5 Changes in body composition throughout the study (n = 76)

From: Effectiveness of a school-based intervention on knowledge, attitude and practice on healthy lifestyle and body composition in Malaysian adolescents

Variable IG (n = 34)CG (n = 42)
DifferenceMean difference
(95% CI)a
p-valueMean difference
(95% CI)a
p-value
zBMIPost I – Pre− 0.08 (− 0.20, 0.04)0.2950.11 (− 0.08, 0.31)0.462
Post II - Pre−0.12 (− 0.28, 0.04)0.2240.24 (− 0.20, 0.67)0.551
Post II – Post I−0.04 (− 0.22, 0.15)1.0000.12 (− 0.30, 0.55)1.000
WC (cm)Post I – Pre2.6 (1.0, 4.2)*0.0012.4 (1.0, 3.9)*< 0.001
Post II - Pre2.5 (−0.5, 5.6)0.1325.5 (2.4, 8.5)*< 0.001
Post II – Post I−0.1 (−3.1, 2.9)1.0003.1 (−0.1, 6.3)0.065
BF%Post I – Pre0.1 (−1.0, 1.2)1.0001.2 (0.0, 2.3)0.051
Post II - Pre0.5 (−0.6, 1.6)0.7650.5 (−1.2, 2.1)1.000
Post II – Post I0.4 (−0.6, 1.3)1.000−0.7 (−1.7, 0.3)0.286
  1. aPairwise comparisons with Bonferroni adjustment for 95% confidence interval (CI) for difference
  2. *Significant difference (p < 0.05)