Skip to main content

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