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.
Mean Concentration Values and Model-Estimated Mean Values, VPA
| Hair Color | Mean | Estimated Means1, |
| (N) | Concentration | VPA (S.E.) |
| VPA (S.D.) | ||
| Black (17) | 9.65 (3.39) | 9.74 (.572) |
| Brown (17) | 7.58 (3.30) | 7.93 (.525) |
| Blond (3) | 5.81 (1.36) | 6.15 (1.24) |
| Gray (3) | 6.08 (2.12) | 3.64 (2.09) |
1Evaluated at model covariates: VPA dose (mg/24hr) = 822.5, Age = 23.25
