Table 6

Odds ratios (unadjusted and adjusted) between hair mercury concentration stratified on the base of the WHO "reference level" and neurocognitive tests stratified by the median of each test.

Test

OR

95% CI

OR*

95% CI

Fine Motor Speed

3.3

1.3 8.0

3.5

1.2 9.3

Digit Symbol

2.4

1.1 5.2

1.6

0.6 5.0

Logical Memory first story

2.6

1.1 6.0

2.3

1.0 5.8

Digit Span backward

2.6

1.1 5.6

2.3

1.1 6.0

Easy Learning

2.9

1.3 6.5

2.9

1.1 7.3

*Adjusted by age, sex and educational level

Yokoo et al. Environmental Health: A Global Access Science Source 2003 2:8   doi:10.1186/1476-069X-2-8