Table 1.

Characteristics of participants by users and non-users.

	Users (N = 344)		Non-users (N = 109)		p-value
	N	%	N	%
Age, year a	29		35		0.002
Sex b
Men	252	73.6	76	68.7	0.33
Had a Job c
Yes	256	75.1	86	76.9	0.69
Household income, JPY c
10 million and above	43	12.9	18	15.3	0.52
Education c
Graduate School or above	19	5.5	9	8.3	0.29
Are the government's policies towards COVID-19 convincible?
Yes	189	55.1	34	30.8	<0.001
Is the government reliable?
Yes	196	56.9	37	34.3	<0.001
Compliance with the precautious measures toward COVID-19 for the past month
Environmental	299	86.6	93	86.5	0.98
Self-protective	261	75.7	80	73.8	0.69
Changing behavior for public health	344	100	109	100	–
Cooperation to government guidance for public health	298	86.4	86	79.5	0.08
Willingness to COVID-19 vaccine
Yes	297	86.5	88	80.3	0.12

Percentages and p-values are adjusted for age, sex, education, job, and income, except for specified notes.

^aVariables are presented as median, p-value is adjusted for sex.

^bResults are adjusted for age.

^cResults are adjusted for age and sex.