Table 3.3
Clients in treatment by substance abuse problem treated: 1997-20031
Number and percent distribution
Substance abuse problem Number of clients2 Percent distribution
1997 1998 2000 2002 2003 1997 1998 2000 2002 2003
Total 929,086 1,038,378 984,296 1,123,239 1,084,116 100.0 100.0 100.0 100.0 100.0
Substance abuse problem  
Clients with alcohol abuse only 244,833   246,726 222,193   237,302   219,453  26.4  23.8  22.6  21.1  20.2
Clients with both alcohol and drug abuse 378,838   512,676 475,095   539,419   508,300  40.8  49.4  48.3  48.0  46.9
Clients with drug abuse only 305,415   278,976 287,008   346,518   356,363  32.9  26.9  29.2  30.8  32.9
1 Survey reference dates were: Oct. 1, 1997-1998 and 2000, March 29, 2002, and March 31, 2003. See Appendix C for changes in the survey base, methods, and instruments that affect analysis of trends over time. No client data were collected in the 1999 survey.
2 Tabulations exclude clients in facilities that did not respond to this question: in 2000, 16,591 clients reported by 354 facilities; in 2002, 13,048 clients reported  by 276 facilities; in 2003, 8,430 clients reported by 217 facilities.
SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, Uniform Facility Data Set (UFDS), 1997-1998; National Survey of Substance Abuse Treatment Services (N-SSATS), 2000, 2002-2003.