Table 1.

Sample characteristics for Study 1, Study 2, and Study 3

Characteristic	Study 1	Study 2	Study 3
Gender (male, %)	68.6	65.2	64.3
Age (18–25 years, %)	11.8	8.5	12.5
(26–35 years, %)	48.5	41.8	45.4
(36–45 years, %)	19.6	19.7	19.8
(46–55 years, %)	11.3	20.9	11.0
(56–65 years, %)	7.4	6.7	10.1
(66 years or more, %)	1.5	2.4	1.2
Education (High school, %)	11.3	6.4	6.1
(Some college, %)	18.1	12.7	24.7
(Bachelor, %)	55.9	48.5	51.2
(Master, %)	12.7	29.4	14.9
(Other, %)	2.0	3.0	3.0
Household size (1, %)	14.7	14.2	13.4
(2, %)	19.1	17.6	21.0
(3, %)	28.4	27.0	32.6
(4, %)	29.9	30.0	25.0
(5 or more, %)	7.8	11.2	7.9
General health (M [SD])	3.82 (0.88)	3.79 (0.92)	3.83 (0.89)
Risk perception of getting infected with Covid-19 (M [SD])	4.62 (1.72)	4.23 (1.75)	4.01 (1.81)
Risk perception of negative health effects of Covid-19 (M [SD])	4.82 (1.74)	4.61 (1.68)	4.29 (1.72)

General health was assessed on a point-point scale (1 = poor, 5 = excellent), risk perceptions were assessed on a seven-point scale (1 = very low, 7 = very high)