Table 6.

Results of Ordinal Regression for Hookah Smoking in Past Month

		EXP(β)	Confidence interval	Significant level
Low perceived harms	Not decreases	0.85	(0.54-1.35)	0.508
	Slightly Decrease	1.87	(1.07-3.24)	0.026
	Significantly decreases	1.00
Cigarette smoking	Yes	0.65	(0.42- 0.98)	0.044
	No (base group)	1.00
low perceived addictiveness of hookah than cigarettes	Yes	2.33	(1.45-3.73)	<0.001
	No (base group)	1.00
Social context of hookah smoking		1.14	(1.08-1.2)	<0.001
Number of close friends who smoked hookah		1.38	(1.18-1.61)	<0.001