Table 2.

Frequency distribution of current tobacco usage by gender, year of dental education and cohabitants’ smoking status in the sample of the study (n = 252)

	Smoker	Non-smoker†	All	OR (95% CI)	P-value
Gender
Female	7 (4.8%)	140 (95.2%)	147 (58.3%)	1
Male	5 (4.8%)	100 (95.2%)	105 (41.7%)	1.0 (0.3–3.2)	1.000
Year of dental education
First	2 (3.6%)	53 (96.4%)	55 (21.8%)	1
Second	2 (3.1%)	63 (96.9%)	65 (25.8%)	0.8 (0.1–6.2)	0.865
Third	4 (8.3%)	44 (91.7%)	48 (19.0%)	2.4 (0.4–13.8)	0.323
Fourth	2 (5.1%)	37 (94.9%)	39 (15.5%)	1.4 (0.2–10.6)	0.725
Fifth	2 (4.4%)	43 (95.6%)	45 (17.9%)	1.2 (0.2–9.1)	0.838
Cohabitants’ smoking status
Without smoking cohabitants	6 (3.2%)	180 (96.8%)	186 (74.4%)	1
With smoking cohabitants	6 (9.4%)	58 (90.6%)	64 (25.6%)	4.8 (1.3–17.0)	0.016*

^*P < 0.05.

^†Comprising former smokers and those who had never smoked.