Table 5.6b Heroin admissions by usual route of administration and planned use of medication-assisted opioid therapy: TEDS 1995-2005 Percent distribution
[Based on administrative data reported to TEDS by all reporting States and jurisdictions. See Table 4.2a.]
Usual route of administration and planned use of medication-assisted opioid therapy	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005
Usual route of administration
Injection	68.9	68.6	66.4	64.9	65.1	63.1	61.5	61.9	60.8	62.7	63.0
Inhalation	27.3	27.2	29.0	30.2	29.6	31.5	33.2	32.9	33.7	32.4	32.9
Smoking	2.2	2.4	2.7	2.7	3.0	2.8	2.5	2.5	2.5	2.3	2.2
Oral	1.1	1.1	1.2	1.4	1.4	1.7	1.9	1.9	2.1	1.8	1.2
Other	0.5	0.6	0.7	0.8	1.0	0.9	0.9	0.9	0.9	0.8	0.7
Total	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0
Planned use of medication-assisted opioid therapy, by usual route of administration
Injection	54.0	50.1	44.8	44.4	43.4	41.6	39.6	38.0	34.1	31.7	29.5
Inhalation	28.5	22.7	22.8	32.2	29.5	29.1	30.9	32.0	30.1	27.8	28.3
Smoking	48.9	49.0	47.4	47.1	48.5	45.8	38.2	38.1	36.1	36.2	33.1
Oral	16.8	19.4	16.7	17.9	16.5	15.2	15.6	18.2	18.4	27.8	22.9
Other	39.9	39.7	36.5	35.5	36.6	27.7	31.0	32.4	31.1	35.2	30.0
Total	46.4	42.2	38.1	40.3	39.0	37.2	36.1	35.6	32.4	30.5	29.1
SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS). Data received through 10.3.06.