Table 4. Memory, attention and concentration dysfunction among college students' groups, Saudi Arabia.

P: Independent samples t-test                    

* P < 0.05 (significant)

Neurological, cognitive and psychological assessment	Group				p-value
	Covid-19 infected		Covid-19 non-infected
	Mean	SD	Mean	SD
Neurological Fatigue Index	36.2	11.0	34.5	11.3	.001*
Cognitive Failures Questionnaire	38.6	18.4	37.8	17.2	.319
Apathy Motivation Index	25.3	7.7	25.4	8.0	.758
Big Five Inventory	51.2	6.8	50.6	6.8	.033*
Short Grit Scale	26.0	4.7	26.1	4.8	.605
Hospital Anxiety and Depression Scale	21.4	3.8	21.3	3.8	.749