Table 2.

Factors associated with smoking among of students at the University in Kosovska Mitrovica: results of univariate multinomial logistic regression analysis (non-smokers as referent group)

Variable	Former smokers n = 33			Light smokers n = 63			Heavy smokers n = 53
	OR	95% CI	p	OR	95% CI	p	OR	95% CI	p
Age	0.97	0.75–1.23	0.775	1.01	0.84–1.23	0.946	1.33	1.14–1.55	0.001
Gender female vs. male	2.19	1.05–4.59	0.037	0.77	0.45–1.40	0.353	1.77	0.99–3.17	0.056
Current residence with parents vs. other	0.35	0.12–1.02	0.055	2.54	1.19–5.42	0.016	2.94	1.36–6.35	0.006
Mother's education level higher vs. other	1.44	0.59–3.50	0.421	0.79	0.39–1.60	0.507	0.56	0.28–1.12	0.100
Father's education level higher vs. other	0.32	014–0.72	0.006	1.82	0.91–3.65	0.093	1.11	0.56–2.20	0.771
Household monthly income	n/a			n/a			n/a
Having own income yes vs. no	0.43	0.19–0.99	0.046	0.54	0.30–0.97	0.040	0.40	0.20–0.78	0.007
Type of faculty social and engineering science vs. medical and natural science	1.74	0.83–23.64	0.141	0.57	0.33–0.99	0.047	0.89	0.50–1.58	0.687
Grade point average	0.77	0.44–1.46	0.376	1.14	0.79–1.66	0.487	0.84	0.57–1.24	0.368
Alcohol use yes vs. no	0.29	0.11–0.78	0.014	0.31	0.15–0.63	0.001	0.38	0.19–0.79	0.009
Physical activity yes vs. no	1.83	0.81–4.13	0.114	1.66	0.89–3.12	0.113	1.14	0.54–2.38	0.735
Living with smokers Yes vs. no	2.66	1.27–15.56	0.010	3.51	1.97–6.26	0.001	3.51	1.88–6.54	0.001
Daily exposure to second hand smoke (hours)	1.08	1.03–1.14	0.002	1.10	1.06–1.14	0.001	1.11	1.07–1.16	0.001
Having chronic diseases yes vs. no	1.44	0.46–4.46	0.531	2.53	1.19–5.42	0.016	2.94	1.36–6.35	0.006
BDI score	1.14	0.98–1.12	0.146	1.08	1.04–1.14	0.001	1.12	1.08–1.17	0.001

Legend: OR - odds ratio; CI - confidence interval; p – probability level; BDI - Beck Depression Inventory; vs. - versus.