SRTT | SDST | |||||
---|---|---|---|---|---|---|
(visual motor speed) | (attention/perception) | |||||
 |  |  | % change in |  |  | % change in |
 |  |  | score with a |  |  | score with a |
 |  |  | 1 μg/L increase |  |  | 1 μg/L increase |
 | N | β Cd a | in Cd b (95%CI) | N | β Cd a | in Cd b (95%CI) |
Model 1 | 4833 | 0.0161* | 1.61* (0.87, 2.35) | 4998 | 0.0934* | 9.34* (8.31, 10.37) |
Model 2 | 4209 | −0.0034 | −0.34 (−1.22, 0.54) | 4344 | 0.0068 | 0.68 (−0. 28, 1.64) |
Model 3 | 4301 | −0.0062 | −0.62 (−1.45, 0.21) | 4441 | 0.0095* | 0.95* (0.03, 1.87) |
SDLT | ||||||
(learning recall/short-term memory) | ||||||
SDLT trials-to-criterion | SDLT total-error-score | |||||
 | N | OR Cd c | (95%CI) | N | OR Cd c | (95%CI) |
Model 1 | 4826 | 1.50* | (1.29 - 1.75) | 4889 | 1.48* | (1.28 - 1.71) |
Model 2 | 4202 | 1.03 | (0.87 - 1.22) | 4253 | 0.97 | (0.77 - 1.22) |
Model 3 | 4295 | 0.98 | (0.83 - 1.16) | 4348 | 0.97 | (0.78 - 1.19) |