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Table 17 Pairwise Comparisons, Hair Color and Concentrations, PHT

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 .168 .865 1.000
  Blond 3.287 1.245 .065
  Gray 5.902* 1.265 .000
Brown Black -.168 .865 1.000
  Blond 3.119 1.292 .116
  Gray 5.734* 1.327 .000
Blond Black -3.287 1.245 .065
  Brown -3.119 1.292 .116
  Gray 2.615 1.680 .754
Gray Black -5.902* 1.265 .000
  Brown -5.732* 1.327 .000
  Blond -2.615 1.680 .754
  1. a Bonferroni adjustment for multiple comparisons * mean difference is significant at he .05 level