Table 4. Logistic regression analysis of the variables associated with suicide attempt.

Variables	Unadjusted model			Adjusted model (-2 Log likelihood = 438.198; Nagelkerke’s R2 = 0.379)
	Odds ratio (OR)	95% Confidence Interval (CI)	p-value	Adjusted odds ratio (AOR)	95% Confidence Interval (CI)	p-value
Gender
Female	1.81	1.16–2.84	0.009	2.02	1.11–3.67	0.020
Male	Reference			Reference
Year of study
1st year	0.26	0.13–0.51	<0.001	0.34	0.15–0.74	0.035
2nd year	0.37	0.21–0.68		0.48	0.23–0.98
3rd year	0.36	0.20–0.67		0.50	0.24–1.03
4th year	Reference			Reference
Permanent Residence
Rural	1.29	0.66–2.54	0.448	1.85	0.80–4.28	0.147
Urban	Reference			Reference
Cigarette smoker
Yes	2.90	1.81–4.64	<0.001	1.86	0.89–3.92	0.099
No	Reference			Reference
Psychoactive substance user
Yes	10.44	5.65–19.30	<0.001	3.62	1.33–9.86	0.012
No	Reference			Reference
Past-year physical illness
Yes	6.08	3.78–9.78	<0.001	1.46	0.78–2.72	0.232
No	Reference			Reference
Past-year mental illness
Yes	20.74	12.84–33.50	<0.001	8.71	4.72–16.07	<0.001
No	Reference			Reference
Any type of stressful life events during past-year
Yes	7.87	4.66–13.30	<0.001	2.15	1.05–4.43	0.036
No	Reference			Reference
Examination failure
Yes	3.83	2.35–6.25	<0.001	1.30	0.70–2.44	0.400
No	Reference			Reference
Relationship difficulties
Yes	7.80	4.94–12.32	<0.001	1.67	0.87–3.21	0.121
No	Reference			Reference
Campus ragging
Yes	1.14	0.48–2.67	0.762	0.43	0.15–1.18	0.102
No	Reference			Reference
Family problems
Yes	7.00	4.40–11.12	<0.001	1.62	0.88–2.99	0.121
No	Reference			Reference
Other problems
Yes	0.89	0.11–6.68	0.913	1.47	0.17–12.73	0.725
No	Reference			Reference
Family mental illness history
Yes	4.78	2.99–7.66	<0.001	1.24	0.64–2.37	0.517
No	Reference			Reference
Family suicide history
Yes	3.23	1.33–7.83	0.009	0.69	0.23–2.08	0.521
No	Reference			Reference
Family suicide attempt history
Yes	5.83	3.30–10.29	<0.001	2.38	1.13–5.03	0.022
No	Reference			Reference