The impact of theory-based educational intervention on improving helmet use behavior among workers of cement factory, Iran

Journal of the Egyptian Public Health Association

Table 1 Results of validity and reliability of the whole questionnaire and its subscales

Subscales	Item counts	CVI^#	CVR^##	Cronbach’s alpha
Awareness	4	0.85	0.78	0.92
Helmet use behavior	11	0.81	0.76	0.97
Behavioral intention	10	0.82	0.78	0.92
Attitude	9	0.83	0.79	0.92
Subjective norm	12	0.83	0.76	0.92
Behavioral control	18	0.81	0.78	0.89
The whole questionnaire	64	0.82	0.77	0.92