| Abstract | OBJECTIVE: This study identified and characterized groups of clients who have serious mental illness and co-occurring substance use disorders. METHODS: Substance abuse recovery of 177 clients with co-occurring disorders was followed for ten years with multiperspective ratings every six months. Latent-class trajectory analysis was used to identify subgroups; profile analysis was used to examine baseline risk factors and treatment participation. RESULTS: Two ratings of substance abuse recovery-stage of treatment and abstinence-were highly concordant and identified the same four groups: early recovery, unstable recovery, late recovery, and no recovery. The early-recovery group was characterized by less severe substance use disorders at baseline and by use of clozapine. The unstable-recovery group was too small for statistical analyses. The late-recovery group was similar to the no-recovery group at baseline but participated more extensively in treatments, especially residential dual-diagnosis programs, during the first three years of follow-up. CONCLUSIONS: Latent-class trajectory analysis based on ten-year trajectories of substance abuse recovery identified clinically meaningful groups among clients with serious mental illness and co-occurring substance use disorders. Profiles of the three most common groups suggest differential clinical approaches for each. |
| Authors | Haiyi Xie, Gregory J McHugo, Robert E Drake
(Affiliation: Dartmouth Psychiatric Research Center, 2 Whipple Pl., Suite 202, Lebanon, NH 03766, USA. haiyi.xie at dartmouth.edu)
|
| Journal | Psychiatric services (Washington, D.C.)
(Psychiatr Serv)
Vol. 60
Issue 6
Pg. 804-11
(Jun 2009)
ISSN: 1557-9700 [Electronic] United States |
| PMID | 19487351
(Publication Type: Journal Article, Research Support, N.I.H., Extramural)
|
| Topics |
- Adult
- Diagnosis, Dual (Psychiatry)
- Female
- Humans
- Interviews as Topic
- Longitudinal Studies
- Male
- Mental Disorders
- Patients
(classification)
- Prospective Studies
- Severity of Illness Index
- Substance-Related Disorders
(rehabilitation)
|
