International Scholarly Research Notices / 2014 / Article / Tab 4

Clinical Study

Accuracy of Neck Circumference in Classifying Overweight and Obese US Children

Table 4

Comparisons of neck circumference (NC), body mass index (BMI), and percent body fat (BF%) in classification of overweight/obese children ( ).

NC by Nafiu et al. [12] versus BF%BMI versus BF%
Point estimate95% CIPoint estimate95% CI

Boys ( )
 Weighted Cohen’s kappa (κ) .250, .48 .57.30, .74
 Sensitivity (%)38.125.9, 50.357.144.7, 69.6
 Specificity (%)85.076.4, 94.095.089.5, 100
 Positive predictive value (%)57.144.7, 69.685.776.9, 94.5
 Negative predictive value (%)72.361.1, 83.680.971.0, 90.7
Girls ( )
 Weighted Cohen’s kappa (κ) .45.08, .73 .52.13, .78
 Sensitivity (%)50.032.4, 67.650.032.4, 67.6
 Specificity (%)91.381.4, 10095.788.5, 100
 Positive predictive value (%)66.750.1, 83.380.065.9, 94.1
 Negative predictive value (%)84.071.1, 96.984.671.9, 97.3