Changes in overweight/obesity and central obesity status from preadolescence to adolescence: a longitudinal study among schoolchildren in Japan

Table 5 Tracking of central obesity from fourth to seventh grade by sex

	Central obesity in seventh grade		κ	P value
	Yes	No	κ	P value
Boys (n = 720)
Central obesity in fourth grade
Yes	46 (6.4)	39 (5.4)	0.651	< 0.001
No	4 (0.6)	631 (87.6)	0.651	< 0.001
Girls (n = 716)
Central obesity in fourth grade
Yes	30 (4.2)	27 (3.8)	0.544	< 0.001
No	17 (2.4)	642 (89.7)	0.544	< 0.001

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