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Table 3 Screening performance of self-reported and corrected BMI value

From: Validity of self-reported weight, height and resultant body mass index in Chinese adolescents and factors associated with errors in self-reports

 

measured

reported

Correcteda

Overweight/obese

243

173

262

Normal weight

1483

1553

1464

Overweight prevalence (%)

14.1

9.0

15.2

Sensitivity (%)

-

56.1

82.1

Specificity (%)

-

98.6

97.4

Positive predictive value (%)

-

86.5

84.4

Negative predictive value (%)

-

93.3

96.2

  1. a Correction of self-reported values for age, gender, area of residence and household economic status.
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BMC Public Health

ISSN: 1471-2458

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