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Table 9 Pairwise Comparisons, Hair Color Categories by Mean VPA Concentration

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

Hair Color (I)

Hair Color (J)

Mean Difference

Std. Error

Sig.a

  

(I-J)

  

Black

Brown

1.811

.758

.135

 

Blond

3.584

1.368

.078

 

Gray

6.457

2.344

.056

Brown

Black

-1.811

.759

.135

 

Blond

1.772

1.345

1.000

 

Gray

4.646

2.209

.258

Blond

Black

-3.584

1.368

.078

 

Brown

-1.772

1.345

1.000

 

Gray

2.873

2.422

1.000

Gray

Black

-6.457

2.344

.056

 

Brown

-4.646

2.209

.258

 

Blond

-2.873

2.422

1.000

  1. a Bonferroni adjustment for multiple comparisons