Table 2.

Summary of regression models predicting preventive behaviors.

Predictors	United States								China
	Wave 1		Wave 2		Wave 3		Wave 4		Wave 1		Wave 2		Wave 3		Wave 4
	Estimates	p	Estimates	p	Estimates	p	Estimates	p	Estimates	p	Estimates	p	Estimates	p	Estimates	p
(Intercept)	0.43	0.06	−0.14	0.53	0.18	0.41	0.31	0.18	−0.26	0.12	−0.22	0.17	−0.34	0.03	0.01	0.94
Fear & anxiety	−0.06	0.37	0.13	0.04	0.01	0.85	0.00	0.96	0.08	0.05	0.00	0.94	−0.01	0.85	−0.05	0.19
Worry	0.02	0.73	0.24	<0.001	0.14	0.03	0.09	0.11	0.07	0.06	0.00	0.99	0.04	0.23	0.02	0.67
Boredom	0.08	0.18	0.04	0.52	0.07	0.27	0.02	0.70	0.07	0.08	−0.01	0.72	−0.03	0.46	−0.08	0.03
Information acquisition	0.13	0.06	0.14	0.02	0.17	<0.01	0.19	<0.01	0.07	0.10	0.18	<0.001	0.22	<0.001	0.22	<0.001
Knowledge about COVID-19	0.11	0.10	0.09	0.15	0.10	0.09	0.08	0.15	0.09	0.02	0.20	<0.001	0.09	0.02	0.13	<0.01
Emotional valence of information	0.04	0.54	−0.06	0.32	−0.09	0.15	−0.02	0.78	0.05	0.26	0.01	0.71	0.12	<0.01	0.04	0.30
Perceived personal risk	0.19	<0.01	0.11	0.07	0.21	<0.01	0.32	<0.001	−0.01	0.71	0.02	0.58	0.01	0.81	0.07	0.06
Age	−0.29	<0.001	−0.03	0.65	−0.02	0.70	0.03	0.62	0.17	<0.01	0.12	<0.01	0.15	<0.01	0.07	0.11
Gender (female)	−0.28	0.03	0.16	0.17	0.06	0.65	0.06	0.63	0.29	<0.01	0.24	<0.01	0.12	0.19	0.23	<0.01
Education	−0.12	0.10	0.06	0.37	−0.01	0.89	−0.04	0.58	0.04	0.44	0.03	0.51	0.09	0.08	−0.03	0.50
Infections in one's social circle (TRUE)	−0.05	0.96	0.34	0.02	0.22	0.08	0.06	0.64	−0.01	0.95	0.12	0.41	0.22	0.13	−0.18	0.17
Political affiliation (Republican)	0.04	0.77	−0.33	0.02	−0.52	<0.001	−0.53	<0.001
Political affiliation (Independent)	0.03	0.85	−0.32	0.04	−0.42	<0.01	−0.42	<0.01
Observations	236		236		236		236		665		665		665		665
Adjusted R-squared	0.17		0.24		0.24		0.27		0.04		0.09		0.10		0.08

Note: All non-categorical variables are standardized so that their means equal to 0 and standard deviations equal to 1. Categorical variables (i.e., gender, education, infections in one's social circle, and political affiliation) are not standardized.