Table 3.

Regression of knowledge results based on demographic variables of population.

Variable	β	Std. error	P value	Lower bound	Upper bound
(Constant)	9.92	0.14	<.01	9.63	10.20
Monthly income (20000 SR and above)	0.69	0.16	<.01	0.38	1.01
Monthly income (Between 10000–19999 SR)	0.26	0.13	<.01	0.00	0.52
Age group (45–54 yr)	−0.74	0.16	<.01	−1.04	−0.43
Having relative, who has/have been infected with COVID-19 confirmed by test result (Yes)	0.32	0.10	<.01	0.12	0.52
Education level (PhD)	0.79	0.22	<.01	0.36	1.22
Age group (35–44 yr)	−0.47	0.11	<.01	−0.69	−0.26
Education level (Bachelor)	0.28	0.10	<.01	0.09	0.47
Region (East)	0.42	0.16	.01	0.10	0.75
Monthly income (<3000 SR)	−0.29	0.13	.021	−0.54	−0.04

Bold indicates significant.

β = slope of the regression line, negative slope indicates negative correlation between 2 variable and vice versa.