Study Results
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Basic Information
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COMPLETED
PHASE3
851 participants
INTERVENTIONAL
2003-09-30
2006-11-30
Brief Summary
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Detailed Description
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We have the following aims and related hypotheses:
Aim 1: To compare the effectiveness of a 6-session personalized motivational intervention to a 6-session educational intervention in terms of injection risk, sexual behavior, alcohol use, and knowledge and perception related to HBV and HCV; H1. Relative to the Educational intervention group, a greater proportion of the Motivational intervention group will report no injection risk at 6- and 12-month follow-up interviews. No injection risk is operationally defined as either no injections in the past 30 days, or no direct or indirect sharing of syringes and other injection equipment in the past 30 days.
H2. Relative to the Educational intervention group, a greater proportion of the Motivational intervention group will report no sexual risk at 6- and 12-month follow-up interviews. No sexual risk is operationally defined as either no sex (oral, vaginal, or anal) in the past 30 days, or no unprotected oral, vaginal, or anal sex in the past 30 days.
H3. Relative to the Educational intervention group, the Motivational intervention group will report greater decreases in frequency of alcohol consumption and quantity of alcohol consumed. Frequency of alcohol consumption is defined as "number of days drank alcohol in the past 30 days," and quantity of alcohol consumed is defined as "the average number of drinks per drinking day during the past 30 days." H4. Relative to the Educational intervention group, participants in the Motivational intervention group will report greater increases in knowledge and more accurate perceptions of severity of disease and efficacy of protective actions regarding hepatitis B and C at Session 3.
Aim 2: To estimate the cost and cost-effectiveness of a 6-session personalized motivational intervention relative to a 6-session educational intervention.
H5. The Motivational Intervention will cost more than the Educational Intervention, but will be cost-effective at eliminating injection risk behavior and sexual risk behavior and at reducing alcohol use
Conditions
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Study Design
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RANDOMIZED
PARALLEL
PREVENTION
NONE
Study Groups
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1
Motivational intervention
Motivational interviewing
6 one-on-one individual sessions lasting from 30 minutes to 1-hour each
2
Educational intervention
Educational intervention
6 1-hour sessions. 2 sessions are delivered by an interventionist and 4 sessions are delivered as videos
Interventions
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Motivational interviewing
6 one-on-one individual sessions lasting from 30 minutes to 1-hour each
Educational intervention
6 1-hour sessions. 2 sessions are delivered by an interventionist and 4 sessions are delivered as videos
Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
18 Years
ALL
Yes
Sponsors
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National Institute on Drug Abuse (NIDA)
NIH
Responsible Party
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Principal Investigators
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William A. Zule, Dr.P.H.
Role: PRINCIPAL_INVESTIGATOR
RTI International
Locations
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RTI International Field Site
Durham, North Carolina, United States
Countries
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References
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Zule WA, Costenbader EC, Coomes CM, Wechsberg WM. Effects of a hepatitis C virus educational intervention or a motivational intervention on alcohol use, injection drug use, and sexual risk behaviors among injection drug users. Am J Public Health. 2009 Apr;99 Suppl 1(Suppl 1):S180-6. doi: 10.2105/AJPH.2007.126854. Epub 2009 Feb 12.
Other Identifiers
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DESPR DA013763
Identifier Type: -
Identifier Source: org_study_id
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