Suicide risk among Thai illicit drug users with and without mental/alcohol use disorders

Figures & data

Table 1 Sociodemographic characteristics and their correlations with suicide risk in 17,140 Thais living in the community

Sociodemographic characteristic	Suicide risk		Odds ratio (95% CI)	P-value
	Yes (N=1,194) n (%)	No (N=15,946) n (%)
Sex
Male	427 (35.8)	8,069 (50.6)	1 (ref)	<0.001
Female	767 (64.2)	7,877 (49.4)	1.84 (1.64–2.08)
Age (years)
15–29	348 (29.1)	5,128 (32.2)	1 (ref)	0.014
30–44	395 (33.1)	5,426 (34.0)	1.07 (0.92–1.25)
45–59	451 (37.8)	5,392 (33.8)	1.23 (1.07–1.43)
Marital status
Widowed, separated, or divorced	176 (14.7)	1,233 (7.7)	1 (ref)	<0.001
Single	284 (23.8)	4,231 (26.5)	1.04 (0.91–1.20)
Married	734 (61.5)	10,482 (65.7)	2.13 (1.74–2.59)
Region
Central	194 (16.2)	3,618 (22.7)	1 (ref)	<0.001
Bangkok	165 (13.8)	1,721 (10.8)	1.79 (1.44–2.22)
Northwest	250 (20.9)	3,556 (22.3)	1.31 (1.08–1.59)
North	349 (29.2)	3,452 (21.6)	1.89 (1.57–2.26)
South	236 (19.8)	3,599 (22.6)	1.22 (1.01–1.49)
Education level
College or more	45 (3.8)	877 (5.5)	1 (ref)	<0.001
High school	458 (38.4)	6,839 (42.3)	1.33 (0.97–1.81)
Less than high school	691 (57.9)	8,330 (52.2)	1.62 (1.19–2.20)

Abbreviations: CI, confidence interval; n, number; N, total number in group; Ref, reference.

Table 2 Suicide risk in Thai illicit drug users compared with those without illicit drug use (N=16,603)

Independent factors	Suicide risk		Odds ratio (95% CI)	Adjusted odds ratioc (95% CI)	P-value
	Yes (N=1,194) n (%)	No (N=15,946) n (%)
Illicit drug use (N=537)	54 (4.5%)	483 (3.0%)	1.52 (1.14–2.02)	2.09 (1.55–2.81)	<0.001
Illicit drug use alone (n=348)	20 (1.7%)	328 (2.1%)	0.81 (0.51–1.28)	1.04 (0.66–1.65)	0.869
Illicit drug use with mental disordersa (n=27)	12 (1.0%)	15 (0.1%)	10.78 (5.04–23.09)	14.06 (6.50–30.38)	<0.001
Illicit drug use with alcohol use disordersb (n=162)	22 (1.8%)	140 (0.9%)	2.12 (1.35–3.34)	3.14 (1.98–4.99)	<0.001

Notes:

a Including major depressive episode (n=13), dysthymic disorder (n=1), psychotic disorder (n=5), and anxiety disorders (n=12). Of these, four individuals had comorbid major depressive and anxiety disorders, and 13 individuals had comorbid alcohol use disorders

b including alcohol abuse (n=71) and alcohol dependence (n=91)

c adjusted for sex, age, marital status, region, and educational level.

Abbreviations: CI, confidence interval; n, number; N, total number in group.