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Table 2 Pearson correlation (R) of adults' hair mercury concentration and neurobehavioral test results.

From: Low level methylmercury exposure affects neuropsychological function in adults

Test N Ra P value Rb P value
TAM      
   Manual Dexterity 107 - 0.02 0.79 - 0.007 0.94
   Fine Motor Speed 113 - 0.26 0.006* - 0.27 0.005*
WMS      
   Information 129 - 0.08 0.35 - 0.10 0.28
   Orientation 129 - 0.01 0.93 - 0.014 0.88
   Mental Control 129 - 0.12 0.16 - 0.10 0.29
   Logical Memory 129 - 0.03 0.69 0.03 0.75
   Logical Memory first story 119 - 0.25 0.005* -0.23 0.014*
   Logical Memory second story 121 - 0.15 0.10 - 0.14 0.13
   Digit Span 128 -0.20 0.046* -0.20 0.05*
   Digit Span forward 129 -0.13 0.15 -0.11 0.22
   Digit Span backward 129 - 0.20 0.05* - 0.20 0.03*
   Visual Reproduction 129 - 0.10 0.29 - 0.06 0.56
   Associative Learning 129 - 0.15 0.08 - 0.15 0.12
   Easy learning 129 - 0.20 0.03* - 0.20 0.03*
   Difficult learning 128 - 0.18 0.04* - 0.15 0.10
   Memory Quotient 128 - 0.09 0.30 - 0.13 0.17
WAIS      
   Digit Symbol 122 - 0242 0.007* - 0.14 0.13
Toulouse – Pierron (CEPA)      
   Total answers 116 - 0.08 0.41 - 0.01 0.30
   Correct answers 116 - 0.07 0.45 - 0.01 0.30
   Errors – commissions 116 0.22 0.016* 0.23 0.015*
   Errors – omissions 116 - 0.16 0.08 - 0.12 0.20
POMS      
   Tension 129 - 0.16 0.07 0.12 0.63
   Anger 129 - 0.08 0.37 - 0.21 0.39
   Vigor 129 0.04 0.64 0.07 0.76
   Confusion 129 -0.02 0.83 - 0.12 0.61
   Fatigue 129 - 0.04 0.65 - 0.14 0.56
   Depression 129 - 0.01 0.96 - 0.15 0.53
  1. a bivariate correlations b Partial correlations adjusted by age, sex and education level * p value <= 0.05