Table 2.
Variable | Value | N a | Tapping hits | Line tracing errors | Steadiness errors | Aiming errors | ||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Exp(β) | 95% CI | Exp(β) | 95% CI | Exp(β) | 95% CI | Exp(β) | 95% CI | |||||||||||||||||||||
Intercept | 2464 | 267 | 253 | 281 | 9.27 | 7.86 | 10.9 | 0.88 | 0.61 | 1.28 | 0.08 | 0.03 | 0.18 | |||||||||||||||
Occupation | Blue-collar without Mn exposure (last occupation) | 474 | 1 | 1 | 1 | 1 | ||||||||||||||||||||||
Welders | 48 | 0.98 | 0.95 | 1.02 | 0.96 | 0.85 | 1.07 | 0.70 | 0.51 | 0.95 | 1.12 | 0.68 | 1.83 | |||||||||||||||
Occasional welding | 390 | 1.02 | 1.00 | 1.03 | 0.99 | 0.94 | 1.04 | 0.89 | 0.79 | 1.00 | 0.71 | 0.54 | 0.92 | |||||||||||||||
Other potential Mn exposure | 206 | 1.04 | 1.01 | 1.06 | 0.98 | 0.92 | 1.04 | 0.86 | 0.75 | 1.00 | 0.83 | 0.61 | 1.13 | |||||||||||||||
Manually skilled | 224 | 1.01 | 0.98 | 1.03 | 0.99 | 0.93 | 1.05 | 0.80 | 0.69 | 0.93 | 0.66 | 0.48 | 0.92 | |||||||||||||||
White-collar | 1122 | 1.03 | 1.02 | 1.05 | 0.98 | 0.94 | 1.02 | 0.96 | 0.88 | 1.06 | 0.77 | 0.63 | 0.94 | |||||||||||||||
Age [per 10 years] | 2464 | 0.93 | 0.92 | 0.94 | 1.18 | 1.16 | 1.21 | 1.56 | 1.48 | 1.64 | 1.32 | 1.18 | 1.49 | |||||||||||||||
Smoking status | Never | 734 | 1 | 1 | 1 | 1 | ||||||||||||||||||||||
Former | 1374 | 1.00 | 0.99 | 1.01 | 1.02 | 0.98 | 1.06 | 1.02 | 0.94 | 1.11 | 1.16 | 0.96 | 1.40 | |||||||||||||||
Current | 356 | 0.97 | 0.95 | 0.98 | 1.06 | 1.01 | 1.11 | 1.26 | 1.13 | 1.42 | 1.23 | 0.95 | 1.60 | |||||||||||||||
Hand | Non-dominant | 1232 | 1 | 1 | 1 | 1 | ||||||||||||||||||||||
Dominant | 1232 | 1.11 | 1.09 | 1.12 | 0.89 | 0.86 | 0.92 | 0.98 | 0.91 | 1.05 | 0.36 | 0.30 | 0.43 | |||||||||||||||
Test time [sec] | 2464 | 1.01 | 1.00 | 1.01 | 1.07 | 1.05 | 1.09 |
aNumber of measurements.