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Table 5 Sensitivity, specificity, positive predictive value and negative predictive value of self-reported BMI classificationsa by sex

From: Validity of self-reported weight and height: a cross-sectional study among Malaysian adolescents

  All Boys Girls
Self-reported
BMI
Sn (%) Sp (%) PPV (%) NPV (%) Sn (%) Sp (%) PPV (%) NPV (%) Sn (%) Sp (%) PPV (%) NPV (%)
Underweight 77.5 94.7 48.4 98.5 81.8 91.4 42.9 98.5 72.2 97.4 59.1 98.5
Normal weight 90.6 83.0 94.2 74.5 86.3 84.0 94.2 67.0 94.1 82.2 94.1 82.2
Overweight 75.3 96.2 73.5 96.6 72.7 96.3 70.6 96.6 77.1 96.2 75.5 96.5
Obesity 75.0 99.4 89.2 98.2 80.0 99.3 88.9 98.6 70.8 99.4 89.5 98.0
  1. Sn sensitivity, Sp specificity, PPV positive predictive value, NPV Negative predictive value
  2. aWHO Growth Reference, 5–19 years (2007)