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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