Appendix.

The Pandemic Risk and Reaction Scale (PRRS) Subscales and Items

Subscales	Items	A little				Very much
Societal Risk	1. To what extent do you worry about “…”?	1	2	3	4	5
	2. In your opinion, to what extent can “…” become an epidemy in your country?	1	2	3	4	5
	3. In your opinion, how fast “…” will spread in your country?	1	2	3	4	5
	4. To what extent do you seek information about “…”?	1	2	3	4	5
Personal Risk	5. How likely do you think you will be infected by “…”?	1	2	3	4	5
	6. How likely do you think one of your relatives/friends will be infected by “…”?	1	2	3	4	5
	7. In your opinion, how severe will the symptoms be if you get “…”?	1	2	3	4	5
Avoidant Behaviors	8. To what extent your travel plans have affected by the risk of “…”?	1	2	3	4	5
	9. To what extent the risk of “…” has prevented you from eating outside the home?	1	2	3	4	5
	10. To what extent the risk of “…” has prevented you to use of public transportation?	1	2	3	4	5
	11. To what extent the risk of “…” has prevented you to visit/be with public places?	1	2	3	4	5
	12. To what extent the risk of “…” has prevented you to visit/be with your relatives/friends?	1	2	3	4	5
Preventive Behaviors	13. To what extent the risk of “…” has affected your safety/health behaviors?	1	2	3	4	5
	14. To what extent the risk of “…” has affected your use of sanitizers/detergents?	1	2	3	4	5
	15. To what extent the risk of “…” has affected you to keep sanitizers/detergents available/in your disposal?	1	2	3	4	5