Table 1.
Descriptive Statistics for Cortisol Data
| Time of sample | Cortisol value (in ug/dl) |
Log-transformed cortisol value |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| N | M (SD) | Min | Max | M (SD) | Min | Max | M (SD) | Min | Max | |
| Age 6 (n = ) | ||||||||||
| AM- Day 1 | 237 | 8:11 (0:58) | 5:37 | 11:30 | 7.72 (4.75) | .18 | 27.76 | .79 (.33) | −.74 | 1.44 |
| AM- Day 2 | 235 | 8:12 (0:53) | 4:55 | 10:45 | 8.26 (5.01) | .31 | 27.39 | .83 (.31) | −.51 | 1.44 |
| PM- Day 1 | 270 | 8:14 (1:40) | 8:36 | 11:30 | 1.19 (1.60) | .100 | 14.15 | −.17 (.45) | −1.00 | 1.15 |
| PM- Day 2 | 265 | 8:04 (2:02) | 7:45 | 11:00 | 1.08 (1.36) | .100 | 9.52 | −.19 (.43) | −1.00 | .98 |
| Age 9 (n = ) | ||||||||||
| AM- Day 1 | 206 | 7:52 (0:53) | 5:00 | 11:20 | 10.01(5.2) | .12 | 35.15 | .93 (.28) | −.92 | 1.55 |
| AM- Day 2 | 203 | 7:53 (0:49) | 6:15 | 11:20 | 9.99 (4.66) | 1.81 | 27.81 | .95 (.22) | .26 | 1.44 |
| AM- Day 3 | 199 | 7:53 (0:51) | 6:10 | 11:15 | 10.24 (5.95) | .16 | 45.48 | .94 (.29) | −.80 | 1.66 |
| PM- Day 1 | 216 | 8:49 (1:30) | 6:15 | 1:00 | .65 (.52) | .00 | 2.52 | −.30 (.33) | −1.70 | .40 |
| PM- Day 2 | 225 | 8:52 (1:34) | 6:45 | 12:37 | .64 (.58) | .00 | 3.83 | −.32 (.33) | −1.07 | .58 |
| PM- Day 3 | 226 | 8:57 (1:38) | 6:58 | 12:15 | .69 (.58) | .00 | 6.94 | −.28 (.33) | −1.05 | .60 |