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. Author manuscript; available in PMC: 2009 Mar 1.

Published in final edited form as: Int J Tuberc Lung Dis. 2008 Sep;12(9):1085–1091.

Table 2.

Correlates of smoking among medical students in Damascus, Syria

	Cigarette				Waterpipe
	Smokers %(n)	Nonsmokers %(n)	OR	95% CI	Smokers %(n)	Nonsmokers %(n)	OR	95% CI
sex (men)			5.44	2.42–12.23			2.82	1.78–4.46
Men	15.8(51)	84.2(272)			30.3(97)	69.7(223)
Women	3.3(7)	96.7(203)			13.4(29)	86.6(188)
Year at university (5^th Year vs. 1^st)			2.60	1.45–4.66			1.55	1.03–2.31
1^st Year	6.6(18)	93.4(256)			19.7(55)	80.3(224)
5^th Year	15.4(40)	84.6(219)			27.5(71)	72.5(187)
Parent(s) smoker	38.6(22)	40.2(191)	0.88	0.49–1.54	19.5(23)	17.3(66)	1.16	0.68–1.96
Sibling(s) smoker	22.8(13)	24.6(110)	0.91	0.47–1.75	29.8(36)	31.0(119)	0.94	0.60–1.47
Close friend(s) smoker	52.3(23)	45.6(188)	1.31	0.70–2.43	62.6(67)	64.2(228)	0.93	0.60–1.46
Smoking other forms of tobacco	73.2(41)	17.9(81)	12.52	6.61–23.70	33.6(41)	3.9(15)	12.52	6.61–23.71
Age µ(SD)	21.5(2.3)	20.4(2.5)	1.21^*	1.07–1.35	21.0(2.5)	20.4(2.5)	1.10	1.02–1.19

^*

increment of 1 year in age