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Outcomes for:
Outpatient
Methadone Treatment (OMT)
Long-Term
Residential Treatment (LTR)
Outpatient
Drug-Free Treatment (ODF)
Short-Term
Inpatient Treatment (STI)
Overview
of 1-Year Follow-up
Clients treated in
all four modalities studied in DATOS that is, OMT, LTR, ODF, and
STI showed large and significant improvements during the 1-year
follow-up (N= 2,966; Hubbard,
Craddock, Flynn, Anderson, & Etheridge, 1997). Overall, major
outcome indicators for drug use, illegal activities, and psychological
distress were each reduced on average by about 50%. However, there were
notable distinctions between clients admitted to different types of treatment
(and there were further variations even between programs of the same general
type) as well as in the length of time they remained in treatment. For
these reasons, the general findings summarized below are useful for addressing
overall questions about "treatment effectiveness," but they
do not indicate who benefits most from which treatment, and why. These
are among the special topics of other studies now in progress.
Outpatient
Methadone Treatment (OMT)

- Admissions to OMT
were 60% male, 52% African American or Hispanic, and 82% were over 30
years of age. In addition, 67% had graduated from high school (or had
a GED), 40% were married or living as married, 3% were referred to treatment
by the criminal justice system, and 10% had private health insurance.
Previous drug treatments were reported by 77%; of these, 92% had accumulated
more than 3 months in treatment.
- Principal indicators
of problems in pretreatment functioning (affecting more than 1 of 5
OMT admissions) were weekly heroin use (89%), weekly cocaine use (42%),
no full-time work (85%), and illegal activity (29%).
- Follow-up outcomes
(see OMT Outcomes Chart)
showed a 69% drop in the number of weekly heroin users and a 48% decline
in weekly cocaine users.
- Unemployment did
not change significantly, but illegal activity declined 52%. Further
tabulations showed a drop from 63% to 21% in those jailed in the year
before versus after treatment.
- Further treatment
during follow-up was reported by 74% of the OMT sample, suggesting the
need for a longer follow-up period in order to describe posttreatment
outcomes for this sample of OMT clients.
Long-Term
Residential (LTR) Treatment
- Admissions to LTR
were 65% male, 60% African American or Hispanic, and 50% were over 30
years of age. In addition, 59% had graduated from high school (or had
a GED), 22% were married or living as married, 35% were referred to
treatment by the criminal justice system, and 4% had private health
insurance. Previous drug treatments were reported by 60%; of these,
62% had accumulated more than 3 months in treatment.
- Principal indicators
of problems in pretreatment functioning (affecting more than 1 of 5
LTR admissions) were weekly cocaine use (66%), heavy alcohol use (40%),
no full-time work (88%), suicidal ideation (24%), and illegal activity
(41%).
- Follow-up outcomes
(see LTR Outcomes Chart)
showed a 67% drop in the number of weekly cocaine users, and a 53% decline
in heavy drinkers.
- Unemployment dropped
13%, suicidal ideation fell by 46%, and illegal activity declined 61%.
Further tabulations showed a drop from 77% to 35% in being jailed in
the year before versus after treatment, and those with any arrests decreased
from 56% to 31%.
- Further treatment
during follow-up was reported by 29% of the LTR sample.
Outpatient
Drug-Free (ODF) Treatment
- Admissions to ODF
were 66% male, 66% African American or Hispanic, and 59% were over 30
years of age. In addition, 60% had graduated from high school (or had
a GED), 27% were married or living as married, 42% were referred to
treatment by the criminal justice system, and 16% had private health
insurance. Previous drug treatments were reported by 50%; of these,
58% had accumulated more than 3 months in treatment.
- Principal indicators
of problems in pretreatment functioning (affecting more than 1 of 5
ODF admissions) were weekly cocaine use (42%), weekly marijuana use
(25%), heavy alcohol use (31%), no full-time work (82%), suicidal ideation
(19%), and illegal activity (22%).
- Follow-up outcomes
(see ODF Outcomes Chart)
showed a 57% drop in the number of weekly cocaine users, a 64% reduction
in the number of weekly marijuana users, and a 52% decline in heavy
drinkers.
- Unemployment dropped
7%, suicidal ideation fell by 42%, and illegal activity declined 36%.
Further tabulations showed a drop from 69% to 25% in being jailed in
the year before versus after treatment, and those with any arrests decreased
from 37% to 21%.
- Further treatment
during follow-up was reported by 20% of the ODF sample.
Short-Term
Inpatient (STI) Treatment
- Admissions to STI
were 67% male, 61% African American or Hispanic, and 64% were over 30
years of age. In addition, 72% had graduated from high school (or had
a GED), 38% were married or living as married, 5% were referred to treatment
by the criminal justice system, and 38% had private health insurance.
Previous drug treatments were reported by 47%; of these, only 9% had
accumulated more than 3 months in treatment.
- Compared to LTR
and ODF treatments, this specialized treatment modality admitted clients
who were 3 to 10 times more likely to have private health insurance,
more highly educated and employed, and 7 to 8 times less likely to be
a criminal justice referral. STI admissions also had only a small fraction
of the treatment exposures reported by LTR and ODF clients. Finally,
STI programs as represented in DATOS have largely disappeared as a form
of treatment available to the public, and cautions are recommended against
making simple (i.e., unadjusted) comparisons of outcomes involving this
modality.
- Principal indicators
of problems in pretreatment functioning (affecting more than 1 of 5
STI admissions) were weekly cocaine use (67%), weekly marijuana use
(30%), heavy alcohol use (48%), no full-time work (67%), suicidal ideation
(31%), and illegal activity (26%).
- Follow-up outcomes
(see STI Outcomes Chart)
showed a 69% drop in the number of weekly cocaine users, a 63% reduction
in the number of weekly marijuana users, and a 58% decline in heavy
drinkers.
- Unemployment showed
no significant change, but suicidal ideation fell by 48% and illegal
activity declined 58%. Further tabulations showed a drop from 49% to
20% in being jailed in the year before versus after treatment, and those
with any arrests decreased from 26% to 20%.
- Further treatment
during follow-up was reported by 25% of the STI sample.
Reference
Hubbard, R. L.,
Craddock, S. G., Flynn, P. M., Anderson, J., & Etheridge, R. M.
(1997). Overview of 1-year follow-up outcomes in the Drug Abuse Treatment
Outcome Study (DATOS). Psychology of Addictive Behaviors, 11(4),
261-278. [Abstract]
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