Table 2.

Suicide-related characteristics of subjects

	Adolescents (N = 149)		Adults (N = 1427)		×2	p-value
	N	%	N	%
Use of alcohol before the attempt (39)	26	17.6	899	64.7	124.10	< 0.001
Current suicidal ideation (109)
No	77	56.2	556	41.8	18.86	< 0.001
Yes	44	32.1	399	30.0
Unknown	16	11.7	375	28.2
Attempts with suicide plan (245)	25	19.1	195	16.2	0.68	0.40
Intention to die (184)
Some or little intention	89	82.4	584	58.9	22.71	< 0.001
Certain intention	19	17.6	408	41.1	22.71	< 0.001
Medical lethality (28)
mild	117	80.1	714	50.9	45.37	< 0.001
moderate to severe	29	19.9	688	49.1	45.37 17.53	< 0.001 < 0.001
Joint suicide attempts (215)	7	5.3	11	0.9
Admission (299)	35	23.5	455	31.9	4.43	0.03
Motivation of the suicide
Psychiatric (127)	27	24.7	323	24.7	2.13	0.14
Interpersonal (85)	115	79.9	860	63.8	14.74	< 0.001
Job-related (126)	21	14.6	252	19.3	1.88	0.17
Economic (111)	6	4.3	344	26.0	33.08	< 0.001
Illness-related (123)	2	1.4	86	6.6	5.97	0.01
Loss of family member (123)	3	2.1	34	2.6	0.11	0.73
Abuse-related (125)	8	5.6	14	1.1	17.87	< 0.001
Legal problem (129)	0	0.0	8	0.6	0.86	0.35
Method of suicide attempt
Poisoning	101	67.8	946	66.3	0.13	0.71
Analgesics	43	28.9	56	3.9	142.48	< 0.001
Psychiatric medication	28	18.8	441	30.9	9.46	0.00
Pesticide and Herbicide	5	3.4	293	20.5	25.9	< 0.001
Other medications	27	18.1	266	18.6	0.02	0.87
Asphyxia by gas	9	6.0	152	10.7	3.12	0.07
Hanging	5	3.4	106	7.4	3.41	0.06
Injury by sharp object	26	17.4	171	12.0	3.68	0.05
Jumping and Drowning	6	4.0	34	2.4	1.47	0.22
Others	2	1.3	18	1.3	0.00	0.93