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. Author manuscript; available in PMC: 2012 May 1.
Published in final edited form as: Addict Behav. 2010 Dec 10;36(5):439–447. doi: 10.1016/j.addbeh.2010.12.001

Table 1.

Candidate predictors of treatment engagement by domain.

Domain Variable
Demographics Age
Race (Caucasian/Non-Caucasian)
Gender (male/female)
Education (HS graduate/Not HS graduate)
Veteran status (veteran/not veteran)
Psychiatric/clinical Diagnosis (schizophrenia spectrum disorder vs. other)
Days of hospitalization, past 90 days
PANSSa Positive Subscale
PANSS negative subscale
PANSS general subscale
PANSS depression subscale
Substance abuse/clinical Current/recent drug dependence
Current alcohol dependence
Heroin use, years
Cocaine use, years
Marijuana use, years
Days of drug useb, last month
Days of drug problems, last month
Days drug treatment, last month
Legal trouble Arrested in last 90 days (yes/no)
Number of arrests/charges (lifetime)
Family/social Independent living situation (yes/no)
Subjective family BQOLc subscale
Objective family BQOL subscale
Subjective social BQOL subscale
Objective social BQOL subscale
Days of family conflict, last month
Days of other conflict, last month
Motivation to change Readiness to change
Temptation to use drugs
a

Positive and negative syndrome scale.

b

Days of drug use = number of days of cocaine use + number of days of heroin use + number of days of marijuana use in the past 30 days.

c

Brief quality of life inventory.