Table 5.4b
Heroin admissions by route of administration and planned use of methadone: TEDS 1992-2000
Percent distribution
Route of heroin administration and planned use of methadone 1992 1993 1994 1995 1996 1997 1998 1999 2000
Route of administration
Injection         77.0         74.2         73.2         69.6         69.4         67.5         66.2         66.5         64.6
Inhalation         19.6         22.5         23.3         26.7         26.5         28.0         28.9         28.1         29.9
Smoking           1.4           1.7           1.9           2.2           2.4           2.7           2.7           3.1           3.0
Oral           1.3           1.1           1.1           1.1           1.1           1.1           1.3           1.3           1.6
Other           0.7           0.6           0.5           0.5           0.6           0.7           0.8           1.0           0.8
Total       100.0       100.0       100.0       100.0       100.0       100.0       100.0       100.0       100.0
Methadone use planned as part of treatment, by route of administration
Injection         62.1         60.9         61.2         55.3         51.4         46.9         46.6         45.8         44.5
Inhalation         46.9         45.0         43.5         30.5         24.2         25.2         35.9         33.5         33.6
Smoking         44.0         47.0         51.7         50.8         50.8         50.7         49.7         50.7         47.4
Oral         18.0         19.1         22.7         18.0           7.3         18.8         19.7         18.5         18.3
Other         48.5         42.6         46.1         40.4         40.3         39.1         37.2         37.8         29.7
Total         58.2         56.5         56.4         48.1         43.6         40.6         43.2         42.1         40.8
SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS) - 4.1.02.