The concentration of three anti-seizure medications in hair: the effects of hair color, controlling for dose and age

Table 19 General Linear Model, Analysis of Covariance, Hair Assay Outcome by Dose and Hair Color, PHT

Source	Type III Sum of Squares	df	Mean Square	F	Sig.	Eta²
Corrected Model	2648.08	4	662.02	71.44	.000	.839
Intercept	2.25	1	2.25	.243	.624	.004
DOSE	1532.31	1	1532.31	165.35	.000	.750
COLOR	191.68	3	63.89	6.895	.001	.273
Error	509.69	55	9.27
Total	14441.1	60
Corrected Total	3157.77	59