Table 3.

Variable assignment.

Independent variable	assignment
Gender	male = 0, female = 1
Relatives with high risk of SCD such as coronary heart disease	no = 0, yes = 1
Experience in administering CPR first aid training	no = 0, yes = 1
Experience in witnessing someone faint	no = 0, yes = 1
Experience in watching the scene of CPR	no = 0, yes = 1
Families of medical workers	no = 0, yes = 1
Ability to master CPR skills	no = 0, yes = 1

Note. SCD: sudden cardiac death; CPR: cardiopulmonary resuscitation.