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Table 14 Tamhane Post-Hoc Comparison of Color Groupings, PHT

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

Color Group Contrast

Significant?

p Value

Black/Brown

No

1.000

Black/Blond

Yes

.000

Black/Gray

Yes

.000

Brown/Blond

Yes

.002

Brown/Gray

Yes

.001

Blond/Gray

No

0.978