Table 16.

General Linear Model, Analysis of Covariance, Hair Assay Outcome by Dose, Dose Duration, Age, and Hair Color, PHT

Source	Type III Sum	df	Mean	F	Sig.	Eta2
	of Squares		Square
Corrected Model	2750.79	6	458.46	59.70	.000	.871
Intercept	78.61	1	78.61	10.24	.002	.162
AGE	48.64	1	48.64	6.34	.015	.107
DOSE	1593.67	1	1593.67	207.54	.000	.797
DOSEDUR	11.04	1	11.04	1.44	.236	.026
COLOR	227.13	3	75.71	9.86	.000	.358
Error	406.98	53	7.68
Total	14441.1	60
Corrected Total	3157.77	59