Table 3. The reliability of hepatitis B vaccination-refusal and -acceptance scales, questionnaire completed by healthcare workers at the Clinical Centre of Serbia, December 2015 (n=352).

Vaccination refusal
Factors	Cronbach’s alpha
Threat of disease	0.872
Knowledge of disease	0.860
Social influence	0.805
Access to care	0.727
Risk denial	/a
Total	0.812
Vaccination acceptance
Factors	Cronbach’s alpha
Threat of disease	0.726
Knowledge of disease	0.767
Social influence	0.884
Total	0.881