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Table 3 Sensitivity and positive predictive value (PPV) of overweight or obesity defined as body mass index >= 25 kg/m2 calculated from self-reported height and weight by gender, age, and ethnicity: NHANES III.(weighted)

From: Ethnic variation in validity of classification of overweight and obesity using self-reported weight and height in American women and men: the Third National Health and Nutrition Examination Survey

   Ethnicity
   EA AA MA
Men     
20–59y Sensitivity 93 92 83
  PPV 92 89 89
60+y Sensitivity 87 88 82
  PPV 96 90 94
Women     
20–59y Sensitivity 88 89 72
  PPV 96 97 95
60+y Sensitivity 80 83 69
  PPV 98 97 95
N   6846 4431 3748
  1. EA, Non-Hispanic European American, AA, Non-Hispanic African American, MA, Mexican American, PPV, positive predictive value