Table 4. The difference about good knowledge, good attitudes, good behaviors among demographic characteristic variables

Variable	General knowledge		Preventive knowledge		Attitude		Behavior
Variable	Good (%)	P-value	Good	P-value	Good	P-value	Good	P-value
Gender
Male	27.86	0.432	32.29	0.001	89.84	0.971*	16.67	<0.001*
Female	30.45	0.432	44.09	0.001	89.76	0.971*	27.56	<0.001*
Age groups
18 - 29 years	28.21	0.144	35.75	0.013*	86.31	0.015	19.83	0.267
30 - 49 years	32.25		37.87		93.20		22.78
50 - 64 years	17.86		46.43		89.29		30.36
≥65 years	23.08		76.92		100		30.77
Occupation
Civil servant	37.63	0.003	41.69	0.466	88.81	0.183	29.15	0.009
Student	24.63		38.06		89.55		17.16
Pensioner - Housewife	20.18		36.70		90.83		20.18
Business	25.93		30.56		92.59		14.81
Freelancer	26.03		39.73		94.52		20.55
Unemployed workers	21.74		34.78		80.43		15.22
Monthly income
No income	25.66	0.178	44.25	0.053	93.81	0.194	9.73	<0.001
1 - <5 mil VND	22.37		51.32		82.89		22.37
5 - <10 mil VND	27.31		37.50		89.35		31.02
10 - 15 mil VND	30.56		30.56		90.28		19.91
>15 mil VND	36.11		38.89		90.28		21.53
Hometown
Other provinces	27.87	0.662	30.60	0.016	90.16	0.854*	7.65	<0.001*
HCMC	29.55	0.662	40.55	0.016	89.69	0.854*	26.63	<0.001*
Living staus
Alone	27.05	0.221	32.24	0.001	90.71	0.427*	10.93	<0.001*
Family, friends	31.08	0.221	43.61	0.001	88.97	0.427*	32.33	<0.001*
Current morbidities
No risky	27.07	0.123	34.28	0.007	89.08	0.421*	17.90	<0.001*
Risky	32.25	0.123	43.97	0.007	90.88	0.421*	28.34	<0.001*
History of isolation
Not yet	28.61	0.189	35.83	<0.001*	89.31	0.068*	19.31	<0.001*
Isolated	37.78	0.189	75.56	<0.001*	97.78	0.068*	66.67	<0.001*

Fisher’S exact