Methodology of Isfahan Tobacco Use Prevention Program: First Phase

Table 1

Internal consistency of all questionnaires.

Questionnaire	Cronbach's alpha	N of items
Smoking initiation	0.77	9
Family conflict	0.73	3
Risk taking	0.71	3
Depression (SCL-90 subscale)	0.88	12
General self efficacy	0.86	10
Attitude toward smoking	0.79	9