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Table 1 Characteristics of the participants at pre-intervention (n = 76)

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

CharacteristicsIG (n = 34)CG (n = 42)p-value
Sex
 Male11 (32.4)27 (64.3)0.011*
 Female23 (67.6)15 (35.7) 
Age (years)13.41 ± 0.5013.14 ± 0.350.010*
Knowledge score (range = 0–32)15.03 ± 3.2212.12 ± 3.62< 0.001*
Attitude score (range = 24–144)108.97 ± 10.79104.10 ± 11.370.061
Practice score (range = 35–175)112.00 ± 11.73108.26 ± 11.720.171
Weight (kg)48.9 ± 14.046.6 ± 16.30.513
Height (cm)151.8 ± 7.6151.5 ± 8.70.868
Waist circumference (cm)69.3 ± 9.767.3 ± 14.30.496
Body fat percentage (%)25.2 ± 6.821.5 ± 6.30.017*
Body mass index (kg/m2)20.94 ± 4.7219.94 ± 5.620.413
BMI z-score0.48 ± 1.450.11 ± 1.860.342
Body weight status
 Severe thinness0 (0)2 (4.8)0.558
 Thinness1 (2.9)2 (4.8) 
 Normal weight21 (61.8)27 (64.3) 
 Overweight4 (11.8)2 (4.8) 
 Obesity8 (23.5)9 (21.4) 
Abdominal obesity status
 Abdominal obesity6 (17.6)7 (16.7)1.000
 Non-abdominal obesity28 (82.4)35 (83.3) 
  1. Data are presented as n (%) or mean ± standard deviation
  2. *Significant difference (p < 0.05)