From: School sociodemographic characteristics and obesity in schoolchildren: does the obesity definition matter?
Same category (%)
Opposite category (%)
κ
p-value*
WHO 2007 vs CDC 2000
91.8
8.2
0.80
< 0.001
WHO 2007 vs IOTF
90.5
9.5
0.76
CDC 2000 vs IOTF
98.2
1.8
0.95
UK 1990 vs WHeR
82.3
17.7
0.53