Table 1.
Participant characteristics
| Variable | Pre-menarcheal (n = 21) | Post-menarcheal (n = 17) |
|---|---|---|
| Age (in months), M (SD) | 11.286 (1.178)a | 13.284 (1.386)a |
| CDI-S, M (SD) | 1.476 (1.721) | 1.875 (1.962) |
| Maternal depression, % | 52.381 | 52.941 |
| Caucasian, % | 71.429 | 70.588 |
| Reaction time, M (SD) | ||
| Gain trials | 245.672 (35.642)b | 221.179 (26.610)b |
| Loss trials | 248.214 (39.876)c | 223.629 (33.896)c |
| Hit rates, % | ||
| Gain trials | 88.452 | 86.471 |
| Loss trials | 88.810 | 85.441 |
| Salivary cortisol, M (SD) (ug/dl) | ||
| Wake | 0.419 (0.167) | 0.555 (0.293) |
| Wake + 30 min | 0.618 (0.275) | 0.779 (0.347) |
| 3:00pm | 0.216 (0.178) | 0.228 (0.139) |
| Bedtime | 0.078 (0.111) | 0.076 (0.077) |
Notes: CDI-S (Childhood Depression Inventory) (Kovacs, 1992). Superscripts indicate differences between pre-menarcheal and post-menarcheal groups. aP < 0.001, bP = 0.024, cP = 0.051.