Table 3.

Factor analysis.

	Factor loading	Uniqueness
Cigarettes	0.765	0.189
Cigars	0.800	0.293
Hookah	0.591	0.392
Electronic Cigarette	0.733	0.235
Pipe filled with tobacco	0.752	0.221
Roll your own cigarettes	0.849	0.245
Snus	0.654	0.522

*Inter-item correlation range: 0.18–0.75.

**1 Eigen value >1; Explains 84% of the variance.