Table 3.

Correlation between knowledge, attitude, and behavior concerning COVID-19 and demographic characteristics

Demographic characteristics	Category	Knowledge		Attitude		Practice
		Mean ± SD	p	Mean ± SD	p	Mean ± SD	p
Age	≤20 year	26.65 ± 3.993	<0.001	30.75 ± 4.488	0.001	34.26 ± 6.583	<0.001
	21–30 year	28.44 ± 3.394		32.20 ± 4.418		36.50 ± 5.329
	31–40 year	28.67 ± 3.260		31.97 ± 4.441		37.13 ± 4.794
	41–50 year	29.34 ± 3.591		32.50 ± 4.481		37.71 ± 3.685
	51–75 year	29.10 ± 3.596		31.87 ± 4.430		37.51 ± 4.406
Gender	Male	28.39 ± 3.532	0.075	31.85 ± 4.447	0.206	36.84 ± 4.620	0.999
	Female	28.68 ± 3.457		32.11 ± 4.466		36.84 ± 5.211
Marital status	Single	28.21 ± 3.558	0.003	31.99 ± 4.450	0.806	36.37 ± 5.161	0.020
	Married	28.73 ± 3.457		32.04 ± 4.447		37.04 ± 4.904
	Divorced/widowed	27.59 ± 2.961		31.53 ± 5.255		36.13 ± 6.384
Highest level of education	Elementary	26.19 ± 3.669	<0.001	29.48 ± 4.619	<0.001	36.19 ± 6.475	<0.001
	High school	26.39 ± 3.857		30.61 ± 4.791		34.54 ± 7.240
	Diploma	27.43 ± 3.549		31.06 ± 4.688		35.98 ± 5.525
	Associate degree	28.15 ± 3.887		31.95 ± 4.279		36.54 ± 5.327
	Bachelor’s degree or higher	29.40 ± 3.029		32.61 ± 4.242		37.52 ± 4.153
Job	Student	26.18 ± 4.322	<0.001	30.57 ± 4.294	<0.001	34.70 ± 5.838	<0.001
	University student	28.38 ± 3.422		32.26 ± 4.640		35.76 ± 6.564
	Employee	29.41 ± 3.264		32.46 ± 4.294		37.51 ± 4.002
	Self-employed	27.71 ± 3.402		31.60 ± 4.709		36.36 ± 5.877
	Unemployed	27.68 ± 3.123		31.17 ± 4.631		36.41 ± 5.410
	Others	28.58 ± 3.454		32.21 ± 4.358		36.84 ± 5.125
Medical staff	Yes	30.15 ± 3.332	<0.001	32.84 ± 4.307	<0.001	38.03 ± 3.587	<0.001
	No	28.18 ± 3.413		31.81 ± 4.475		36.55 ± 5.261
chronic diseases	Yes	28.55 ± 3.455	0.894	31.75 ± 4.638	0.230	36.56 ± 5.374	0.258
	No	28.58 ± 3.493		32.07 ± 4.423		36.90 ± 4.933
Place of residence	City	28.70 ± 3.452	<0.001	32.14 ± 4.416	0.003	37.01 ± 4.750	<0.001
	Rural	27.86 ± 3.604		31.31 ± 4.654		35.82 ± 6.232
The key source of knowledge	Radio/TV	28.13 ± 3.613	<0.001	31.83 ± 4.396	0.300	36.92 ± 4.832	<0.001
	Ministry of Health	29.87 ± 3.207		32.22 ± 4.709		38.18 ± 3.879
	Social media	28.66 ± 3.363		32.13 ± 4.455		36.49 ± 5.308