Table 5.

Determinants of e-cigarette use.

	P-value	Adjusted OR (95% CI)*
Knowledge score	0.09	0.837 (0.681, 1.029)
Sibling effect**	0.074	2.198 (0.926, 5.216)
Friend effect**	<0.001	7.298 (2.394, 22.252)

^*Adjusted for the variables in the model.

^**Reporting having at least one sibling or one friend who smoked.