Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Inter- and intra-assay coefficients of variability for hormones at ages 9 and 12 assessments.
| Inter-assay coefficient | Intra-assay coefficient | |
|---|---|---|
| Age 9 assessment | ||
| Cortisol | 9.8 | 5.4 |
| DHEA | 7.1 | 2.5 |
| Testosterone | 9.0 | 6.7 |
| Age 12 assessment – Lab 1 | ||
| Cortisol | 12.6 | 6.7 |
| DHEA | 9.6 | 7.9 |
| Testosterone | 6.2 | 4.0 |
| Age 12 assessment – Lab 2 | ||
| Cortisol | 11.6 | 5.1 |
| DHEA | 13.7 | 7.1 |
| Testosterone | 8.7 | 5.1 |
