Table 1.
Summary of numbers of childhood serial examinations of BMI by ages 0 – 2, 2 – 7, and years –2 to 10 since puberty and by sex and descriptive statistics of BMI values measured at the beginning of the study by sex and puberty developmental group.
| Number of serial examinations of BMI | Number of boys | Number of girls | Total number of subjects | |
|---|---|---|---|---|
| Ages in 0 – 2 years | ||||
| 1 – 4 | 61 | 42 | 103 | |
| 5 – 8 | 38 | 29 | 67 | |
| Total | 99 | 71 | 170 | |
| Ages in 2 – 7 years | ||||
| 1 – 4 | 37 | 30 | 67 | |
| 5 – 8 | 21 | 12 | 33 | |
| 9 – 12 | 33 | 25 | 58 | |
| Total | 91 | 67 | 158 | |
| Years in 32 – 10 since puberty | ||||
| 1 – 8 | 3 | 3 | 6 | |
| 9 – 16 | 8 | 11 | 19 | |
| 16 – 23 | 16 | 20 | 36 | |
| Total | 27 | 34 | 61 | |
| BMI at Birth in Boys | ||||
| Overall | Adrenarche-first | Concordance | Gonadarche-first | |
| N | 86 | 9 | 68 | 9 |
| Mean | 12.9 | 13.0 | 12.8 | 12.8 |
| Std Dev | 1.6 | 1.6 | 1.7 | 0.4 |
| Min | 6.0 | 11.4 | 6.0 | 12.2 |
| Max | 16.3 | 15.8 | 16.3 | 13.5 |
| BMI at Birth in Girls | ||||
| N | 59 | 14 | 31 | 14 |
| Mean | 13.1 | 13.4 | 13.1 | 12.6 |
| Std Dev | 1.6 | 2.3 | 1.3 | 1.6 |
| Min | 9.5 | 11.2 | 10.7 | 9.5 |
| Max | 17.9 | 17.9 | 15.6 | 14.9 |