Table 2.

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

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

^a bivariate correlations ^b Partial correlations adjusted by age, sex and education level * p value <= 0.05