Table 1.
Participant Characteristics.
| Characteristic | Multi-ancestry | Northwestern European ancestry | |||
|---|---|---|---|---|---|
| Training Sample | Cortisol Sample | Cortisone Sample | Cortisol Sample | Cortisone Sample | |
| n | 1565 | 1674 | 1656 | 867 | 862 |
| Cortisol/Cortisone quantiles (in pg/mg) | |||||
| 25% | — | 0.91 | 5.31 | 0.69 | 4.80 |
| 50% | — | 1.65 | 7.78 | 1.28 | 6.61 |
| 75% | — | 3.26 | 12.49 | 2.71 | 11.85 |
| Hair Color (in %) | |||||
| Sandy red | 1 | 2 | 2 | 3 | 3 |
| Red or Chestnut | 1 | 1 | 1 | 2 | 2 |
| Blond | 30 | 26 | 26 | 47 | 46 |
| Dark Blond | 33 | 26 | 27 | 38 | 39 |
| Brown | 13 | 19 | 18 | 9 | 9 |
| Dark Brown | 10 | 15 | 15 | 1 | 1 |
| Brownish black/Black | 13 | 11 | 10 | 0 | 0 |
| National origin (in %) | |||||
| Dutch | 65 | 58 | 59 | 90 | 90 |
| Turkish | 6 | 9 | 9 | 0 | 0 |
| Surinamese | 6 | 7 | 7 | 0 | 0 |
| Other European | 8 | 7 | 7 | 6 | 6 |
| Moroccan | 3 | 7 | 7 | 0 | 0 |
| Cape Verde | 2 | 3 | 3 | 0 | 0 |
| Netherlands Antilles | 2 | 2 | 2 | 0 | 0 |
| African | 2 | 2 | 2 | 1 | 1 |
| American, Non-Western | 2 | 2 | 2 | 1 | 1 |
| Asian, Non-Western | 3 | 2 | 2 | 0 | 0 |
| Indonesian | 0 | 1 | 1 | 0 | 0 |
| Girls (in %) | 49 | 51 | 52 | 48 | 49 |
| Age (mean in years) | 6.15 | 6.19 | 6.19 | 6.04 | 6.04 |
| Corticosteroid use (in %) | — | 8 | 8 | 9 | 9 |