Table 4.

Logistic regression

Independent variables	z	p	OR	Confidential interval 95%
Previous suicide attempt	2,47	0,01*	2,87	1.24 – 6,61
Substance abuse	3,92	0,0001*	5,31	2,31 – 12,22
Scolarity (High school)	-1,24	0,21	0,57	0,23 – 1,39
Scolarity (University years)	-1,37	0,16	0,34	0,08 – 1,57
Morrison scale (1–7)	0,39	0,69	1,19	0,50 – 2,84
Morrison scale (8–9)	-9,5	0,26	2,51	0,49 – 12,82