Table 6
Linear regression analysis of effect of urinary mercury concentration on psychomotor test results for dentists and controls after adjusting for age and sex
| Job | Average change for each unit increase in log urinary mercury | p Value | Corrected p value |
|---|---|---|---|
| Simple reaction time (ms): | |||
| Dentists | −8.19 | 0.36 | |
| Controls | −16.79 | 0.036 | 0.29 |
| Number vigilance (ms): | |||
| Dentists | −33.00 | 0.021 | 0.17 |
| Controls | −16.62 | 0.023 | 0.18 |
| Choice reaction time (ms): | |||
| Dentists | −4.61 | 0.63 | |
| Controls | −9.70 | 0.37 | |
| Spatial memory (ms): | |||
| Dentists | 13.65 | 0.80 | |
| Controls | −43.97 | 0.34 | |
| Memory scanning (ms): | |||
| Dentists | −7.40 | 0.86 | |
| Controls | −14.24 | 0.62 | |
| Word recognition (ms): | |||
| Dentists | 42.00 | 0.37 | |
| Controls | −60.69 | 0.046 | 0.37 |
| Immediate word recall (number correct) | |||
| Dentists | 0.002 | 0.95 | |
| Controls | 0.67 | 0.029 | 0.23 |
| Delayed word recall (number correct) | |||
| Dentists | 0.19 | 0.64 | |
| Controls | 1.12 | 0.001 | 0.01 |
