Table 2.

Adjusted difference in means (SE) between APOE ε4 genotype groups for each primary outcome neuropsychological examination score at visits 1 and 2

Test	Measurement	Difference in test score, visit 1		Difference in test score, visit 2
Test	Measurement	Mean (SE)	p Value	Mean (SE)	p Value
PASAT = paced auditory serial addition task.
Grooved pegboard	Dominant hand, time, ms	−16.3 (5.5)	0.005	−6.4 (4.2)	0.13
Simple reaction time	Reaction time, ms	−22.4 (32.7)	0.49	6.8 (17.2)	0.69
Choice reaction time	Reaction time, ms	−16.6 (39.3)	0.67	−12.7 (23.5)	0.59
PASAT	Total correct, count	−9.0 (5.1)	0.09	−9.0 (5.6)	0.12
	2.8 s, count	−3.3 (1.1)	0.004	−1.3 (1.0)	0.19
Number vigilance	Reaction time, ms	−26.0 (21.4)	0.23	−9.8 (15.7)	0.54
Dual attention	Reaction time, ms	−21.0 (25.9)	0.42	−7.1 (15.1)	0.64
Stroop	Sum of times, s	−26.2 (22.7)	0.25	−7.2 (13.8)	0.60
	Card B, time, s	3.1 (4.0)	0.44	1.1 (2.5)	0.66
Word recall	Immediate recall, count	−0.2 (0.5)	0.50	−0.5 (0.6)	0.56
Word recognition	Response time, ms	−177.4 (116.0)	0.13	−69.4 (99.8)	0.49
Picture presentation	Response time, ms	−30.6 (98.5)	0.76	−12.9 (86.7)	0.88
Memory scanning	Response time, ms	−134.0 (124.3)	0.28	−67.7 (46.1)	0.15