Table 2.

Suicide risk estimate for each of the demographic factors, social and familial environments, and personal characteristics: bivariate analyses using odds ratio (OR) with 95% of confident interval (suicide N=392 and control N=416).

Risk factors	OR (95% CI)	Adjusted OR (95% CI)
1. Demographic factors
Education level (≥7 years)	0.2 (0.158–0.324)	0.2 (0.155–0.321)
Marital status
Never married and not dating	1	1
Never married but dating	1.4 (0.837–2.339)	1.3 (0.769–2.255)
Ever married	0.8 (0.558–1.021)	0.5 (0.349–0.812)
Low family annual income	6.4 (4.557–9.070)	6.4 (4.496–8.985)
Living alone	2.3 (1.267–4.179)	2.3 (1.251–4.152)
Religion/religiosity	2.0 (1.420–2.789)	2.1 (1.493–2.967)
Party/league membership	0.4 (0.268–0.494)	0.4 (0.259–0.488)
2. Social and familial environments
Position in family (low)	2.1 (1.585–2.780)	2.2 (1.651–2.941)
Relationship with parents (poor)	6.2 (4.189–9.169)	6.1 (4.086–8.978)
Suicide history in family	7.6 (4.284–13.350)	7.5 (4.231–13.220)
Pesticide stored at home	1.8 (1.332–2.455)	1.8 (1.319–2.439)
Negative life events
0–1	1	1
2–3	4.7 (3.274–6.611)	4.8 (3.353–6.817)
≥4	17.6 (10.623–29.144)	18.0 (10.789–30.028)
Perceived social support (high)	0.2 (0.167–0.333)	0.2 (0.170–0.339)
3. Personal characteristics
Physical illness
No	1	1
Yes and with mild impact	1.7 (1.091–2.657)	1.7 (1.058–2.597)
Yes and with severe impact	9.1 (5.040–16.274)	8.9 (4.946–16.081)
Mental disorders	33.6 (17.872–63.115)	35.1 (18.535–66.452)
Hopelessness (high)	38.1 (25.545–56.877)	38.5 (25.704–57.679)
Approach coping (high)	0.1 (0.058–0.115)	0.1 (0.058–0.115)
Dysfunctional impulsivity (high)	4.9 (3.605–6.569)	5.2 (3.820–7.077)