Table 3.

Factors associated with smoking status among students at the University in Kosovska Mitrovica: results of multiple 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	0.91	0.68–1.22	0.527	1.02	0.83–1.26	0.815	1.47	1.21–1.78	0.001
Gender female vs. male	1.96	0.85–4.53	0.116	0.97	0.51–1.83	0.920	0.22	0.07–0.41	0.001
Current residence with parents vs. other	2.31	0.74–7.22	0.150	1.23	0.62–2.45	0.560	1.15	0.52–2.56	0.733
Father's education level higher vs. other	2.89	1.30–6.44	0.009	0.89	0.45–1.77	0.737	2.34	0.86–7.39	0.112
Having own income yes vs. no	0.80	0.33–1.96	0.625	0.78	0.40–1.52	0.467	1.37	0.54–6.73	0.111
Type of faculty medical and natural science vs. social and engineering science	1.11	0.48–2.56	0.807	2.07	1.05–4.18	0.040	0.83	0.40–1.72	0.619
Alcohol use yes vs. no	0.36	0.13–1.01	0.052	2.98	1.19–10.03	0.020	1.19	0.36–3.25	0.284
Living with smokers Yes vs. no	0.42	0.15–0.97	0.017	2.88	1.49–5.56	0.002	3.78	1.69–8.07	0.001
Daily exposure to indoor second hand smoke (hours)	1.07	1.01–1.13	0.036	1.06	1.01–1.11	0.019	1.10	1.04–1.16	0.001
Having chronic diseases yes vs. no	0.68	0.17–2.61	0.570	0.52	0.20–1.35	0.180	0.47	0.17–1.34	0.160
BDI score	1.03	0.97–1.11	0.327	1.08	1.03–1.13	0.002	1.12	1.07–1.18	0.001

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