FOllow-up and Brief Intervention of Conscripts in Lausanne, Switzerland

FOllow-up and Brief Intervention of Conscripts in Lausanne, Switzerland: a single-centre randomised controlled trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN78822107

Enrollment

1800

Registered

2008-02-07

Start date

2007-01-30

Completion date

Unknown

Last updated

2015-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Alcohol, tobacco, and cannabis use Mental and Behavioural Disorders Alcohol, tobacco, and cannabis use

Interventions

This trial comprises three separate studies: 1. Study on alcohol use (600 participants) 2. Study on tobacco use (600 participants) 3. Study on the use of alcohol, tobacco and cannabis assessed togeth

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: 1. 19-year old males with a Swiss citizenship enrolling during the mandatory army recruitment process in the French-speaking part of Switzerland 2. Informed consent 3. Provision of a contact address

Exclusion criteria

Exclusion criteria: Lack of informed consent and provision of contact address.

Design outcomes

Primary

Measure	Time frame
Alcohol, tobacco and cannabis use 6 months after baseline, measured by the following: 1. Alcohol use: 1.1. Quantity/frequency questionnaires 1.2. Retrospective diary 1.3. Alcohol Use Disorder Identification Test 2. Tobacco use: 2.1. Quantity/frequency questionnaires 2.2. Cigarette Dependence Scale 3. Cannabis use: 3.1. First three questions of the Cannabis Use Disorder Identification Test	—

Secondary

Measure	Time frame
1. Reduction of related risks 6 months after baseline. Related risks are measured using several tests: 1.1. Wechsler Alcohol Consequences 1.2. Questionnaire on dinking and driving 1.3. Attitudes Towards Smoking Scale, or questionnaire for cannabis use consequences 2. Cross-over effects: 2.1. Reduction in at-risk use of tobacco and cannabis use during the alcohol study at 6 months after baseline 2.2. Reduction in at-risk use of alcohol and cannabis use during the tobacco phase at 6 months after baseline. 2.3. Substance use, measured as described above 3. Readiness to change at 6 months after baseline, measured using 10-points Visual Analogue Scale (1 = not ready to change, 10 = extremely ready to change)	—

Measure

Time frame

1. Reduction of related risks 6 months after baseline. Related risks are measured using several tests: 1.1. Wechsler Alcohol Consequences 1.2. Questionnaire on dinking and driving 1.3. Attitudes Towards Smoking Scale, or questionnaire for cannabis use consequences 2. Cross-over effects: 2.1. Reduction in at-risk use of tobacco and cannabis use during the alcohol study at 6 months after baseline 2.2. Reduction in at-risk use of alcohol and cannabis use during the tobacco phase at 6 months after baseline. 2.3. Substance use, measured as described above 3. Readiness to change at 6 months after baseline, measured using 10-points Visual Analogue Scale (1 = not ready to change, 10 = extremely ready to change)

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Countries

Switzerland

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 25, 2026