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Table 5 Individual patient misclassification (n [%]) of BMI categories using self-reported anthropometric data and corrected anthropometric data (correction method 1), 2007-2008 NHS

From: Change in bias in self-reported body mass index in Australia between 1995 and 2008 and the evaluation of correction equations

BMI category
(measured data)
Misclassification
(self-reported data)
Misclassification
(corrected data)
Underweight (BMI < 18.5) 45/145 (31%) 65/145 (44.8%)
Normal weight (BMI 18.5-24.99) 294/3269 (9%) 487/3269 (14.9%)
Overweight (BMI 25-29.99) 891/3439 (25.9%) 649/3439 (18.9%)
Obese (BMI > 30) 510/2288 (22.3%) 315/2288 (13.8%)
All 1740/9141 (19.0%) 1516/9141 (16.6%)