Table 2.
The distribution of extended IOTF BMI classes for the study cohort of children delivered at Stavanger University Hospital in Norway 1993–95 at 4, 10.8/11.8a and 12.8 years of age
| Extended IOTF BMI class | 4 years of age n = 375 |
10.8/11.8 years of agea n = 442 |
12.8 years of age n = 453 |
|---|---|---|---|
| n (%) | n (%) | n (%) | |
| Thinness grade 3 | 1 (0.3) | 3 (0.7) | 6 (1.3) |
| Thinness grade 2 | 6 (1.6) | 11 (2.5) | 9 (2.0) |
| Thinness grade 1 | 31 (8.3) | 52 (11.8) | 47 (10.4) |
| Normal weight | 297 (79.2) | 315 (71.3) | 330 (72.8) |
| Overweight | 35 (9.3) | 51 (11.5) | 50 (11.0) |
| Obese | 5 (1.3) | 10 (2.3) | 11 (2.4) |
Abbreviations: IOTF International Obesity Task Force, BMI body mass index
a10.8 years for girls, 11.8 years for boys