Table 1.

Concepts, statements, and reliability measured using Cronbach's alpha.

Concepts	Items	X ± SD)	Cronbach's alpha
Perceived severity	How likely do you think you are to get COVID-19 if you…	(3.40 ± 1.06)	0.89
	go out shopping?
	go out to work or study?
	go Out To Meet Your Relatives Or Friends?
	leave home for any other purpose?
Perceived vulnerability	To what extent will it…	(4.18 ± 0.71)	0.79
	be dangerous for you if you get COVID-19?
	be costly for you if you get COVID-19?
	affect your life if you get COVID-19?
	affect your family if you get COVID-19?
	affect your study if you get COVID-19?
Response efficacy	The use of preventive measures and protective devices.	(4.06 ± 0.65)	0.71
	prevents the transmission of COVID-19.
	prevents an outbreak of COVID-19 in the village.
	has no effective consequences.*
	does not affect the outbreak of COVID-19.*
	prevents costly of treatment.
Self-efficacy	If I want to, I could use preventive measures and protective devices.	(3.52 ± 0.75)	0.76
	The use of preventive measures and protective devices is relevant only to myself.
Perceived cost	The use of preventive measures and protective devices is …	(2.90 ± 0.79)	0.66
	not worth it due to the cost.
	expensive and costly.
	difficult and laborious.
Behavioral intention	I want to use COVID-19 protection measures and devices.	(4.28 ± 0.79)	0.91
	I intend to use COVID-19 protection measures and devices.
	I plan to use COVID-19 protection measures and devices.
	I encourage my friends and relatives to use COVID-19 protection measures and devices.
Protective behavior	I stay home as much as possible and I do not go out	(4.17 ± 0.80)	0.86
	I wear a mask if I go out.
	If I go out, I wear gloves.
	I do not shake hands with people.
	I regularly use disinfectant to disinfect my hands.
	I regularly wash my hands with soap and water.
	I wash and disinfect the materials I bring home from purchases.
	I do not go to crowded and dangerous places so far as possible.

^(*)Statements marked with asterisks were reverse coded.