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Characteristics of Primary Alcohol Users With and Without Secondary Drug Use. Laurel Mangrum, Ph.D. and Richard Spence, Ph.D. Addiction Research Institute University of Texas at Austin. Purpose of Study.
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Characteristics of Primary Alcohol Users With and Without Secondary Drug Use Laurel Mangrum, Ph.D. and Richard Spence, Ph.D. Addiction Research Institute University of Texas at Austin
Purpose of Study • A naturalistic study examining two different primary alcohol user populations receiving substance abuse treatment • Although not randomly assigned, the client groups are expected to differ due to non-random reasons • Studies of this nature are needed to inform clinician expectations of client outcomes based on presenting characteristics
Study Sample • 15,102 primary alcohol users who received substance abuse treatment in state-funded programs during the Texas 2004 fiscal year. • The sample was divided into two groups based on secondary drug use: • Alcohol-Only Users (AO; n = 7,494) • Alcohol-Drug Users (AD; n = 7,608)
Employment • The AO group had higher employment rates at admission (29% vs. 21%) • Of those employed, the AO group had a greater level of full-time employment (21% vs. 13%) • The AO group reported higher annual income ($7,965 vs. $6,239)
Legal Involvement • Incidence of legal involvement was equivalent between the groups (45%) • The AO group had a higher rate of DWI arrest during the past year (23 vs. 13%) • The AD group had a higher rate of other substance related arrests during the past year (13% vs. 6%)
Discharge Characteristics • Length of treatment was significantly longer in the AO group (49 vs. 44 days) • A significantly greater percentage of clients in the AO group were assessed as completing treatment (74% vs. 69%) • The groups were equivalent in the proportion of clients who attended AA (75%) and were abstinent (81%) during the previous month
60-Day Follow-Up • Follow-up data were available for approximately 30% of each group • Abstinence rates at follow-up significantly higher for the AO group (85% vs. 82%) • AA attendance in the past 30 days was significantly higher for the AD group (59% vs. 56%)
Demographics • AO users were more likely to be White, married, and over 40 • AD users were more often Black, never married, under 30, unemployed, and had lower education levels
Admission Characteristics • The groups reported similar patterns of alcohol use in the 30 days prior to admission • AD users had a higher incidence of previous substance abuse treatment and IV drug use • AD users reported more problem days related to employment, family, social, psychological, and substance use issues.
Treatment Characteristics • The AO users were more likely to receive outpatient services, whereas the AD group had a higher rates of residential treatment • Length of treatment was greater and completion rates were higher for the AO group • The groups had comparable levels of abstinence and AA attendance at discharge
Follow-Up Characteristics • Abstinence rates were higher in the AO users, but both groups displayed similar reductions in the number of alcohol use days • Employment rates remained higher for AO users, but both groups demonstrated increases in employment • Comparable outcomes were found between the AO and AD groups in the number of problem days associated with drug/alcohol use, employment, psychological issues, social, and family issues.
Conclusions • AO and AD users may display similar alcohol use patterns at admission; however, AD users may have more extensive substance abuse treatment histories and higher levels of psychosocial problems • These findings highlight the importance of comprehensive assessment that includes a broad range of substance usage as well as psychosocial domains