Table 2.
Un transformed cortisol levels (nmol/L) by age and sex.
| Children (9–12 years), M (SD) | Adolescents (13–18 years), M (SD) | |||
|---|---|---|---|---|
|
|
|
|||
| Boys (n = 71) | Girls (n = 54) | Boys (n = 59) | Girls (n = 49) | |
| Aggregate measures | ||||
| AUCAG | 10.40 (4.63) | 11.88 (7.43) | 11.20 (8.24) | 12.22 (5.81) |
| AUCI | 1.80 (3.54) | 2.18 (7.57) | 1.68 (3.96) | 2.50 (5.38) |
| AUCTG | 61.54 (32.61) | 64.52 (32.81) | 65.97 (44.82) | 72.91 (41.41) |
| Slopeawake | −1.56 (1.83) | −1.18 (3.05) | −.55 (.92) | −.96 (.84) |
| Slopemax | −1.16 (.48) | −1.10 (.42) | −1.14 (.92) | −1.20 (1.03) |
| Single sample measures | ||||
| Awake | 9.97 (6.01) | 10.08 (6.29) | 9.14 (4.84) | 9.56 (4.78) |
| Morning | 11.56 (5.92) | 13.54 (7.06) | 11.17 (5.19) | 12.39 (6.17) |
| Maximum | 16.29 (7.84) | 17.71 (9.13) | 15.12 (6.23) | 18.67 (9.78) |
| Random | 7.53 (6.95) | 9.55 (7.16) | 6.54 (4.74) | 9.20 (6.61) |
| Lunch | 3.92 (3.31) | 4.39 (3.34) | 3.89 (2.27) | 5.00 (3.15) |
| Dinner | 2.27 (4.33) | 3.42 (7.07) | 2.34 (1.66) | 2.40 (1.47) |
| Bedtime | 1.09 (1.13) | 1.89 (3.38) | 1.00 (0.52) | 1.98 (2.40) |
Note: AUCAG, area under curve relative to ground for awakening response; AUCI, area under curve relative to increase; AUCTG, area under curve relative to ground for diurnal profile; Morning, randomly selected sample from three morning samples; Random, randomly selected sample from all samples collected.