Table 3.

Final multivariate model parameter estimates: predictors of BIS-11 second-order attention subscale scores.

Variable	β coefficient	Std. error	p
(Intercept)	12.537	1.3095	0.000
Gender
Male	1.730	0.7401	0.019
Female	0∗	—	—
Smoking history
Yes	−2.207	1.0318	0.032
No	0∗	—	—
Level of education
Secondary school	0∗	—	—
Tertiary education	1.730	0.7581	0.023
MDS-UPDRS III	0.080	0.0253	0.002

^∗Comparison category set to zero.