Table 2.

Performance scores in the Virtual Supermarket Program.

Task score	Healthy controls (n=64), mean (SD)	Patients with mild cognitive impairment (n=62), mean (SD)	t test (independent samples)	P value
Task 1	9.9 (0.5)	9.6 (1.0)	1.999	.048
Task 2	4.0 (2.0)	2.3 (2.5)	4.265	<.001
Task 3	6.0 (3.5)	4.1 (3.8)	2.940	.004
Task 4	6.0 (0.5)	5.6 (1.2)	2.087	.04
Task 5	5.6 (0.8)	4.5 (2.0)	4.379	<.001
Task 6	5.8 (0.9)	5.8 (1.1)	0.213	.83
Task 7	5.5 (1.6)	4.7 (2.5)	2.328	.02
Task 8	4.0 (1.4)	2.0 (1.6)	7.407	<.001
Task 9	4.8 (1.1)	2.8 (2.5)	5.708	<.001
Total	51.4 (4.8)	41.3 (7.7)	8.894	<.001