Table 4.

Hierarchical multiple linear regression analysis of COVID-19 preventive behaviors, controlling for demographic variables (gender, age, education, occupation, and prefecture status).

Independent variable	Correlation			Model 1a				Model 2b				Model 3c
	r	P value	β		t value	P value	β		t value	P value	β		t value	P value
Health literacy	0.23	<.001	.20		13.0	<.001	—d		—	—	.11		6.8	<.001
Information evaluation	0.24	<.001	—		—	—	.15		8.3	<.001	.13		7.4	<.001
Decision-making process	0.30	<.001	—		—	—	.20		11.3	<.001	.18		9.9	<.001

^aR²=0.12, and adjusted R²=0.12; F(18,3913)=30.6, P<.001.

^bR²=0.18, and adjusted R²=0.18; F(19,3913)=45.3, P<.001.

^cR²=0.19, and adjusted R²=0.19; F(20,3913)=45.9, P<.001.

^dData not included.