Table 7.

Caseness in the Stroop tasks among CPOs.

Variable	f(p)	Z	OR	EII
Word reading	34(0.453)	6.98***	2.85	0.650
Color naming	41(0.547)	9.20***	3.45	0.710
Color-word	40(0.533)	8.87***	3.36	0.702
Interference score	10(0.133)	−0.61	0.83	−0.162

Classification criterion as impairment: T < 40; f(p), frequency of impairment(proportion); Z, zeta score for the difference of the registered proportion of impairment among CPOs with a constant (0.1587, expected probability for a T score of 40); OR, odds ratio; EII, effect incremental index;

^***p < 0.001.