Table 5.

Univariable analysis of demographic determinants of knowledge and practices about COVID-19; concluded from a survey from Iran, 2020

Variable	Knowledge (of 25)			Practice (of 70)
	Mean ± SD	Statistic	P value	Mean ± SD	Statistic	P value
Gender
Male	15.5 ± 3.7	t = 2.4	0.014	53.4 ± 8.3	t = 6.7	< 0.001
Female	16.1 ± 3.3			56.5 ± 7.7
Age (year)
14–19	15.4 ± 3.7	F = 23.2	<0.001	51.7 ± 9.3	F = 6.5	< 0.001
20–29	16.6 ± 3.3			55.4 ± 8.6
30–39	16.7 ± 2.8			56.5 ± 7.3
40–49	15.9 ± 3.2			55.0 ± 7.5
50–59	14.6 ± 3.9			54.9 ± 7.3
60≤	12.3 ± 3.2			53.4 ± 7.9
Level of education
Illiterate	10.7 ± 3.7	F = 33.1	< 0.001	50.2 ± 10.7	F = 11.6	< 0.001
Under Diploma	13.4 ± 3.6			51.6 ± 8.3
Diploma	15.4 ± 3.5			54.5 ± 8.1
Associate Degree	16.4 ± 2.8			56.9 ± 8.0
Bachelors	17.2 ± 2.6			55.9 ± 7.2
Master	17.2 ± 2.7			57.6 ± 7.3
Doctorate	19.1 ± 3.0			60 ± 7.5
Marital status
Single	16.1 ± 3.6	t = 2.03	0.042	54.7 ± 8.4	t = − 1.9	0.055
Married	15.6 ± 3.4			55.6 ± 7.6
Job Status
Jobless	15.4 ± 3.6	F = 6.0	< 0.001	55.2 ± 8.3	F = 12.9	< 0.001
Public sector’s employee	17.0 ± 3.0			57.5 ± 6.4
Private sector’s employee	16.0 ± 13.2			55.3 ± 7.8
Retired	14.4 ± 3.5			53.1 ± 7.7
Region of living
North	16.5 ± 3.3	F = 5.01	0.001	56.1 ± 7.8	F = 4.4	0.001
South	15.4 ± 3.6			54.2 ± 7.7
Central	15.8 ± 3.4			56.3 ± 9.0
East	16.1 ± 3.4			54.3 ± 8.4
West	15.2 ± 3.6			54.1 ± 7.4