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Table 3 Sensitivity and specificity for weight status by gender

From: Validity and predictors of BMI derived from self-reported height and weight among 11- to 17-year-old German adolescents from the KiGGS study

   Sensitivity   Specificity
   Boys   Girls   Boys   Girls
   %   95% CI   %   95% CI   %   95% CI   %   95% CI
Weight status         
   Underweight   66.9   59.2-74.6   76.5   68.8-84.2   95.0   91.5-98.5   95.5   91.7-99.3
   Normal weight   90.7   89.1-92.3   92.7   91.3-94.1   73.7   71.3-76.1   74.5   72.1-76.9
   Overweight   75.8   71.1-80.5   73.7   68.7-78.7   97.0   95.1-98.9   98.5   97.1-99.9