Weight-height relationships and central obesity in 7-year-old to 10-year-old Polish urban children: a comparison of different BMI and WHtR standards

Table 2 Compliance of the classification of participants using various BMI criteria

Parameter	Standard
Parameter	IOTF^a vs. Kułaga et al. [22]	IOTF^a vs. Tomaszewski et al. [24]	Kułaga et al. [22] vs. Tomaszewski et al. [24]
Girls (n = 367)
The percentage of consistent classification	88.7 %	91.5 %	93.4 %
Cohen’s kappa coefficient	0.756	0.823	0.841
95 % confidence interval	0.687–0.824	0.764–0.881	0.781–0.900
Consistency^b	Excellent	Excellent	Excellent
Boys (n = 424)
The percentage of consistent classification	91.0 %	87.7 %	86.5 %
Cohen’s kappa coefficient	0.776	0.737	0.676
95 % confidence interval	0.709–0.843	0.672–0.803	0.603–0.750
Consistency^b	Excellent	Good	Good

ISSN: 1880-6805