Table 5. Association of smoking with independent variables (n = 427) according to the Pearson chi-square test followed by binary logistic regression analysis.

Characteristics	Categories	Smoking status		P-value	Unadjusted Odds ratio (95% CI)
		Current smoker	Not current smoker
Age in years	25	45	320	0.01	1.4 (1.1–1.8)
	>25	15	47
Gender	Male	46	154	0.001	2.8 (1.3–5.8)
	Female	14	213
Course year	3rd years	22	236	0.001	1.3 (1.1–1.5)
	>3rd years	38	131
Faculty	Medical (MBBS/BDS)	45	276	1	0.8 (0.4–2.1)
	Paramedical (Nursing)	15	91
Parental history of smoking	Yes	41	89	0.001	6.3 (3.2–12.2)
	No	20	277
Friends with smoking behavior	Yes	56	130	0.001	19.3 (6.4–58.3)
	No	4	237