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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)

Difference

Mean difference

(95% CI)a

p-value

Mean difference

(95% CI)a

p-value

zBMI

Post I – Pre

− 0.08 (− 0.20, 0.04)

0.295

0.11 (− 0.08, 0.31)

0.462

Post II - Pre

−0.12 (− 0.28, 0.04)

0.224

0.24 (− 0.20, 0.67)

0.551

Post II – Post I

−0.04 (− 0.22, 0.15)

1.000

0.12 (− 0.30, 0.55)

1.000

WC (cm)

Post I – Pre

2.6 (1.0, 4.2)*

0.001

2.4 (1.0, 3.9)*

< 0.001

Post II - Pre

2.5 (−0.5, 5.6)

0.132

5.5 (2.4, 8.5)*

< 0.001

Post II – Post I

−0.1 (−3.1, 2.9)

1.000

3.1 (−0.1, 6.3)

0.065

BF%

Post I – Pre

0.1 (−1.0, 1.2)

1.000

1.2 (0.0, 2.3)

0.051

Post II - Pre

0.5 (−0.6, 1.6)

0.765

0.5 (−1.2, 2.1)

1.000

Post II – Post I

0.4 (−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)