Table 8.

Persistence of obesity, overweight, and normal weight (defined by International Obesity Task Force cut-offs) and fatness categories (measured by bioimpedence) in children from age 7 years until age 11 years

IOTF categories	All (n = 6066)	Boys (n = 3008)	Girls (n = 3058)
Of total obese at age 7 y (n = 180), percentage at age 11 y
Still obese	75	82	70
Overweight	23	16	28
Normal weight	1.7	1.4	1.9
Of total overweight at age 7 y (n = 762), percentage at age 11 y
Obese	16	23	11
Still overweight	63	60	66
Normal weight	21	17	24
Of total normal weight at age 7 y (n = 5214), percentage at age 11 y
Obese	0.5	0.5	0.4
Overweight	11	11	11
Normal weight	89	89	88
Fatness categories
Total	5933	2938	2995
Of total very over-fata at age 7 y (n = 270), percentage at age 11 y
Still very over-fat	57	61	54
Over-fat	30	30	30
Normal fat	13	9.1	16
Of total over-fatb at age 7 y (n = 582), percentage at age 11 y
Very over-fat	12	16	9
Over-fat	33	32	34
Normal fat	55	52	57
Of total normal fat at age 7 y (n = 5081), percentage at age 11 y
Very over-fat	1.0	1.2	0.7
Over-fat	5.6	5.5	5.6
Normal fat	94	93	94

Reproduced from Wright C, et al. (2010)⁴⁸ with permission.

^a >95^th internal percentile for fat z-score.

^b 85^th–95^th internal percentile for fat z-score.