Evaluation of an internet-based one-time counselling intervention for young cannabis- or alcohol-users

Completed

Conditions: Alcohol abuse or addicition, cannabis abuse or addicition
Mental and Behavioural Disorders
Addiction

Registration Number: ISRCTN79857771

Lead Sponsor: Federal Centre for Health Education (BZgA) (Germany)

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Completed

Sex: All

Target Recruitment: 194

Inclusion Criteria

The study aims at participants of two automated internet-based self-tests for cannabis- or alcohol-users installed on the prevention website www.drugcom.de. In order to be eligible for the study, those users have to meet the following criteria:
1. Problematic alcohol use defined as:
1.1. Alcohol Use Disorders Identification Test (AUDIT) score of 16 or more, or
1.2. Alcohol consumption of more than 60 g per day (men)/40 g per day (women), or
1.3. Binge drinking (i.e. at least 5 units of alcohol per occasion) at least once per week
2. Problematic cannabis use defined as 4 or more points in the Severity of Dependence Scale (SDS) (men) or 2 points or more (women)
3. Aged 18 - 35 years, either sex

Exclusion Criteria

Participants who currently receive professional help or participate at a self help group.

Study & Design

Study Type: Interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Alcohol users:<br>1. Mean weekly alcohol consumption: consumed amount of pure alcohol in the past 7 days<br>2. Mean number of consumption days in the past 30 days<br>3. Proportion of subjects not drinking hazardously: i.e., not drinking more than 24 grams of pure alcohol (men) or 12 grams (women) on any day during the last week<br><br>Cannabis users:<br>4. Mean number of consumption days in the past 30 days<br><br>Both alcohol and cannabis users:<br>5. Allocation on the Stages of Change (Transtheoretical Model) measured by the Readiness to Change Questionnaire (RTCQ)<br><br>Measured using follow-up online surveys at one month and three months.

Secondary Outcome Measures