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Table 5 Diagnostic values of parent-reported (measured versus estimated) height and weight in detection of BMI-categories*

From: Validity of parent-reported weight and height of preschool children measured at home or estimated without home measurement: a validation study

  Sensitivity
%
(95% CI)
Specificity
%
(95% CI)
Kappa Statistic
(95% CI)
Reporting method used by parents Estimated Measured Estimated Measured Estimated Measured
Underweight 55
(0.28 to 0.79)
73
(0.48 to 0.89)
75
(0.66 to 0.83)
82
(0.75 to 0.87)
0.17
(-0.10 to 0.45)
0.33
(0.08 to 0.57)
Overweight/Obese 47
(0.26 to 0.69)
47
(0.27 to 0.68)
93
(0.86 to 0.97)
97
(0.93 to 0.99)
0.43
(0.10 to 0.76)
0.52
(0.19 to 0.85)
  1. * The IOTF cut-off values for determining underweight, normal weight, overweight, and obesity in the 266 children