- A total of 13,371 substance abuse treatment facilities responded to the 2005 N-SSATS, and 83 percent of them offered at least one special program or group addressing particular needs of specific client types
- The most commonly offered special program or group was for persons with co-occurring mental and substance abuse disorders (38 percent)
- Eighty-eight percent of the largest facilities in 2005 had at least one special program or group while 72 percent of the smallest facilities had at least one