Table 3.2
Clients in treatment by type of care received, and clients receiving methadone: 1998-20041
Number and percent distribution
Type of care received and clients receiving methadone Number of clients Percent distribution
1998 2000 2002 2003 2004 1998 2000 2002 2003 2004
Total  1,038,378 1,000,896 1,136,287 1,092,546 1,072,251 100.0 100.0 100.0 100.0 100.0
Type of care received  
Outpatient   915,798   891,547 1,020,214   968,719   954,551  88.2  89.1  89.8  88.7  89.0
Regular   686,730   739,794   616,957   587,975   564,300  66.1  73.9  54.3  53.8  52.6
Intensive    198,355   118,610   139,777   128,127   121,862  19.1  11.9  12.3  11.7  11.4
Detoxification    30,713    14,249    18,307    11,770    12,064   3.0   1.4   1.6   1.1   1.1
Day treatment/partial hospitalization          n/c    18,894    29,506    27,728    28,133     n/c   1.9   2.6   2.5   2.6
Methadone maintenance           n/c          n/c   215,667   213,119   228,192     n/c     n/c  19.0  19.5  21.3
Non-hospital residential    107,961    96,084   102,394   108,592   101,713  10.4   9.6   9.0   9.9   9.5
Detoxification     7,636     8,264     8,401     9,061     7,021   0.7   0.8   0.7   0.8   0.7
Rehabilitation   100,325    87,820    93,993          n/c n/c   9.7   8.8   8.3     n/c     n/c
Short-term treatment (30 days or less)          n/c          n/c          n/c    22,926    21,758     n/c     n/c     n/c   2.1   2.0
Long-term treatment (more than 30 days)          n/c          n/c          n/c    76,605    72,934     n/c     n/c     n/c   7.0   6.8
Hospital inpatient    14,619    13,265    13,679    15,235    15,987   1.4   1.3   1.2   1.4   1.5
Detoxification     6,317     6,375     6,306     7,067     6,214   0.6   0.6   0.6   0.6   0.6
Treatment     8,302     6,890     7,373     8,168     9,773   0.8   0.7   0.6   0.7   0.9
Clients receiving methadone   145,610   172,502   225,500   227,003   240,961  14.0  17.2  19.8  20.8  22.5
1 Survey reference dates were: Oct. 1, 1998-2000, March 29, 2002, and March 31, 2003-2004. See Appendix C for changes in the survey base, methods, and instruments that affect analysis of trends over time. 
n/c  Data not collected.
SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, Uniform Facility Data Set (UFDS), 1998; National Survey of Substance Abuse Treatment Services (N-SSATS), 2000, 2002-2004. No client data were collected in 1999, and no survey was conducted in 2001.