Table 2.2b
Admissions by alcohol/drug co-abuse: TEDS 1992-2002
Percent distribution
[Based on administrative data reported to TEDS by all reporting States and jurisdictions. See Table 4.2.]
Alcohol/drug co-abuse 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002
Total   100.0  100.0  100.0  100.0  100.0  100.0  100.0  100.0  100.0  100.0  100.0
Alcohol primary   59.3   56.9   52.8   51.1   50.7   49.5   48.4   47.8   46.3   44.3   42.9
Alcohol only   37.2   34.5   31.0   29.4   28.8   27.7   27.0   26.7   25.8   24.3   23.6
Alcohol w/secondary drug   22.1   22.4   21.8   21.7   21.9   21.8   21.3   21.0   20.5   20.0   19.3
Drug primary   37.8   40.4   44.2   46.3   46.9   48.1   48.7   49.5   51.2   53.0   53.8
Drug only   19.7   20.8   23.3   24.5   24.6   25.7   26.4   27.4   29.3   30.9   31.8
Drug w/secondary alcohol   18.1   19.5   20.9   21.8   22.3   22.4   22.3   22.1   21.9   22.1   22.1
No primary substance reported    2.9    2.7    3.0    2.6    2.5    2.4    2.9    2.7    2.5    2.7    3.3
SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS) - 3.01.04.