Table 6.

Ordinal logistic regression for vaccination attitude in September 2021.

		AOR	95% CI	p
Gender	Male	1.282	0.791–2.077	0.313
Age group (years)	20–29	Ref
	30–39	0.675	0.322–1.418	0.300
	40–49	1.128	0.540–2.355	0.749
	50–59	1.501	0.671–3.383	0.320
	60–69	2.087	0.763–5.711	0.152
	≥70	0.920	0.409–2.067	0.839
Residential area	Tokyo metropolitan area	Ref
	Northern Japan	1.772	0.900–3.487	0.098
	Central Japan	2.219	0.898–5.479	0.084
	Western Japan	1.592	0.787–3.219	0.196
	Southern Japan	1.281	0.495–3.318	0.609
Education	University-level education	1.629	1.094–2.743	0.019
Annual income (in JPY)	<JPY 2,000,000	Ref	0.790–1.216	0.854
	JPY 2,000,000–JPY 4,000,000	0.781	0.349–1.747	0.547
	JPY 4,000,000–JPY 6,000,000	0.783	0.362–1.694	0.535
	>JPY 6,000,000	0.813	0.377–1.754	0.598
Underlying condition	One or more	0.905	0.617–1.327	0.609
Influenza vaccination	1 point	1.450	1.230–1.710	<0.000
Medical checkups	1 point	1.349	1.158–1.572	<0.000
Exercise	1 point	1.060	0.901–1.246	0.485
Smoking	1 point	0.919	0.765–1.103	0.364
COVID-19-related anxiety	1 point	1.882	1.374–2.579	<0.000
Risk perception	1 point	1.578	1.128–2.206	0.008
Concern for adverse effects	1 point	0.293	0.213–0.404	<0.000
Trust in the government	1 point	1.080	0.803–1.451	0.626
General anxiety	1 point	1.048	1.013–1.084	0.008
Anti-science	1 point	0.950	0.875–1.030	0.208
Pseudoscience	1 point	1.014	0.993–1.036	0.199
Misinformation	1 point	0.821	0.770–0.875	<0.000

Note: The analysis was performed using ordinal logistic regression. The model was adjusted for gender, age group, residential area, education, annual income, underlying condition, influenza vaccination, medical checkups, exercise, smoking, COVID-19-related anxiety, risk perception, concern for adverse effects, trust in the government, general anxiety, anti-science, pseudoscience, and misinformation. AOR: adjusted odds ratio, CI: confidence interval.