Table 1.
Cohort 1 | Cohort 2 | Cohort 3 | Total | |
---|---|---|---|---|
Ages (years) | 8–12 | 11–15 | 14–18 | 8–18 |
Subjects | 314 | 197 | 167 | 678 |
Measurementsa | 2770 | 1679 | 1360 | 5809 |
Average per subject | 8.8 | 8.5 | 8.14 | 8.6 |
The number of measurements varies slightly for different outcome variables.