Table 2.
Sample size and descriptive statistics for testosterone, DHEA, and pubertal status
| Males |
Females |
|||||||
|---|---|---|---|---|---|---|---|---|
| N | M | SD | N | M | SD | t | df | |
| Testosteroneb (raw) | 312 | 70.1 | 44.1 | 349 | 52.0 | 25.8 | 6.9** | 490.7 |
| Testosteronea,b | 306 | 0.1 | 0.7 | 340 | −0.01 | 0.5 | 5.2** | 557.4 |
| DHEAb (raw) | 313 | 152.7 | 126.7 | 341 | 194.2 | 154.8 | 3.7** | 643.1 |
| DHEAa,b | 310 | −0.15 | 0.8 | 331 | 0.13 | 0.8 | 4.9** | 627.8 |
| Pubertal status | 311 | 2.8 | 1.0 | 362 | 3.2 | 0.9 | 6.3** | 619.2 |
| Age in years | 335 | 13.2 | 1.4 | 370 | 13.0 | 1.4 | 1.6 | 703 |
| Mother years of education | 331 | 15.0 | 2.3 | 363 | 14.9 | 2.3 | 0.4 | 692 |
| Father years of education | 325 | 14.2 | 2.2 | 353 | 14.5 | 2.4 | 1.3 | 676 |
| Family income level | 316 | 11.5 | 3.5 | 353 | 11.3 | 3.6 | 0.8 | 667 |
*
p < 0.05,
**
p < 0.01
a
Hormone concentrations after log-transforming and residualizing on minutes since waking. All models were fit to transformed, residualized scores
b
The Satterthwaite t test is reported due to inequality of variances between males and females