Multi-level predictors of psychological problems among methadone maintenance treatment patients in difference types of settings in Vietnam

Table 1 Socio-economic characteristics of respondents

Characteristics	Private facility		State facility		Total		P-value
	n	%	n	%	n	%
Total	195	49.4	200	50.6	395	100
Age group
Under 30	29	14.9	19	9.5	48	12.2	0.03*
30–40	89	45.6	80	40.0	169	42.8
41–50	60	30.8	66	33.0	126	31.9
Above 50	17	8.7	35	17.5	52	13.2
Education
Less than secondary	33	16.9	33	16.5	66	16.7	0.94*
Secondary school	118	60.5	119	59.5	237	60
More than secondary	44	22.6	48	24	92	23.3
Marital status
Single	38	19.5	29	14.5	67	17	0.07*
Live with partners/spouse	150	76.9	154	77	304	77
Divorced/widow	7	3.6	17	8.5	24	6.1
Occupation
Unemployment	13	6.7	20	10	33	8.4	0.06*
Freelancer	63	32.3	76	38	139	35.2
Blue collar/farmer	45	23.1	47	23.5	92	23.3
Business	11	5.6	17	8.5	28	7.1
Others	63	32.3	40	20	103	26.1
Quintile average family income
Quintile 1	39	20	41	20.5	80	20.3	0.89*
Quintile 2	37	19	45	22.5	82	20.8
Quintile 3	42	21.5	39	19.5	81	20.5
Quintile 4	43	22.1	39	19.5	82	20.8
Quintile 5	34	17.4	36	18	70	17.7
Ever injected drugs	121	62.1	131	65.5	252	63.8	0.48*
Alcohol drink	114	58.5	97	48.5	211	53.4	0.05*
Smoke	163	83.6	157	78.5	320	81	0.20*
Concurrent drug use	15	7.7	8	4	23	5.8	0.12*
	Median	IQR	Median	IQR	Median	IQR
Age	38	33–44	41	34–48	39	33–46	0.01^#
Monthly family income (USD)	344	215–430	301	215–430	344	215–430	0.50^#
Age of onset of drug use	25	20–30	25	21–31	25	20–31	0.05^#
MMT duration (years)	2	1–5	3	2–6	3	1–5	0.02^#

ISSN: 1747-597X