Regression analysis of neurobehavioural performance by duration of exposure adjusted for age and education
| Neurobehavioural tests | β (SE)* | Holm adjusted p value | 95% CI† |
|---|---|---|---|
| *β = regression coefficient computed for each decade. | |||
| †CI, confidence interval. | |||
| Verbal abstraction | |||
| Similarities | −0.66 (0.15) | <0.001 | −0.96 to −0.36 |
| Visuomotor speed | |||
| Digit Symbol | −1.82 (0.41) | <0.001 | −2.64 to −1.01 |
| Trailmaking A (s) | 2.40 (0.60) | 0.001 | 1.21 to 3.60 |
| Trailmaking B (s) | 4.24 (1.08) | 0.001 | 2.10 to 6.38 |
| Problem solving | |||
| Block Design | −0.82 (0.43) | 0.178 | −1.67 to 0.02 |
| Attention | |||
| PASAT | −0.04 (0.12) | 1.000 | −0.27 to 0.19 |
| Letter Cancel | 0.32 (0.13) | 0.078 | 0.07 to 0.57 |
| Memory | |||
| Digit Span Forward | −0.32 (0.09) | 0.004 | −0.50 to −0.14 |
| Digit Span Backward | −0.28 (0.07) | <0.001 | −0.41 to −0.15 |
| BVRT | −0.28 (0.09) | 0.004 | −0.46 to −1.00 |
| Story Recall A | −0.08 (0.15) | 1.000 | −0.39 to 0.22 |
| Story Recall B | −0.15 (0.07) | 0.138 | −0.28 to −0.002 |