Table 2.

Oral health-related quality of life (OHRQOL) of drug addicts according to type and mode of consumption

Questions	Heroin				Cocaine				Amphetamines
	Injected		Inhaled		Injected		Inhaled		Injected		Inhaled
Possible outcomes	No	Yes	No	Yes	No	Yes	No	Yes	No	Yes	No	Yes
Functional limitations
1. Trouble pronouncing words	39	8	93	21	23	6	70	11	6	4	29	3
2. Worse taste	44	3	88	26	27	2	60	21	9	1	24	8
OHRQOL ≥ 2	n = 52				n = 33				n = 15
P	0.79
Physical pain
3. Painful aches	22	25	82	32	18	11	59	22	4	6	26	6
4.Uncomfortable eating food	43	4	65	49	25	4	40	41	9	1	23	9
OHRQOL ≥ 2	n = 79				n = 64				n = 16
P	< 0.01
Psychological discomfort
5. Self-conscious	38	9	76	38	24	5	40	41	9	1	21	11
6. Tense feeling	41	6	61	53	24	5	33	48	8	2	24	8
OHRQOL ≥ 2	n = 101				n = 88				n = 19
P	< 0.01
Physical disability
7. Unsatisfactory diet	45	2	89	25	26	3	63	18	8	2	23	9
8. Interruption of meals	46	1	95	19	28	1	69	12	9	1	25	7
OHRQOL ≥ 2	n = 44				n = 28				n = 14
P	0.62
Psychological disability
9. Difficult to relax	23	24	63	51	16	13	43	38	6	4	20	12
10. Feeling embarrassed	28	19	58	56	22	7	35	46	8	2	19	13
OHRQOL ≥ 2	n = 128				n = 82				n = 15
P	< 0.01
Social disability
11. Been a bit irritable	30	17	51	63	18	11	29	52	7	3	15	17
12. Difficulty doing usual jobs	19	28	65	49	17	12	38	43	4	6	19	13
OHRQOL ≥ 2	n = 131				n = 99				n = 32
P	0.06
Handicap
13. Life, less satisfying	39	8	80	34	24	5	54	27	8	2	25	7
14. Totally unable to function	20	27	70	44	14	15	50	31	5	5	23	9
OHRQOL ≥ 2	n = 87				n = 60				n = 18
P	0.39

OHRQOL: Oral health-related quality of life