Testing efficacy of individual components of substance use prevention interventions

A randomised controlled study to test the effect of individual intervention components on effective mediators for school-based prevention of alcohol abuse and illicit drug use in adolescence

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN78792172

Enrollment

1040

Registered

2016-04-12

Start date

2015-10-01

Completion date

Unknown

Last updated

2016-10-17

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

Conditions

Alcohol and substance abuse Mental and Behavioural Disorders Alcohol abuse

Interventions

In each participating country, schools are randomised to one of the two groups (6 schools per participating country with two classes each school – 3 schools in the intervention group and 3 in the cont

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Students attending public/government schools 2. At least two classes attended by students aged 13-14 3. Not participating in other major prevention intervention for alcohol abuse and/or illicit drug use targeted to the classes of interest

Exclusion criteria

Exclusion criteria: 1. Students with special needs 2. Thsoe whose parents opt out from the study

Design outcomes

Primary

Measure	Time frame
Italy: Ability to resist pressure and offers to use alcohol and illicit substances assessed using two items taken from the EU-Dap Questionnaire at baseline and one month after the intervention. Netherlands: 1. Self-control assessed at using 13 items taken from the PAS questionnaire at baseline and one month after the intervention 2. Parental rules about alcohol use be assessed at baseline and one month after the intervention by 10 items taken from the PAS questionnaire at baseline and one month after the intervention Israel: Attitudes towards substance use assessed at baseline and one month after the end of the intervention by 11 items taken from the EU-Dap questionnaire at baseline and one month after the intervention. Canada: Coping assessed using the Brief COPE Inventory used for the evaluation of Preventure Programme at baseline and one month after the intervention.	—

Measure

Time frame

Italy: Ability to resist pressure and offers to use alcohol and illicit substances assessed using two items taken from the EU-Dap Questionnaire at baseline and one month after the intervention. Netherlands: 1. Self-control assessed at using 13 items taken from the PAS questionnaire at baseline and one month after the intervention 2. Parental rules about alcohol use be assessed at baseline and one month after the intervention by 10 items taken from the PAS questionnaire at baseline and one month after the intervention Israel: Attitudes towards substance use assessed at baseline and one month after the end of the intervention by 11 items taken from the EU-Dap questionnaire at baseline and one month after the intervention. Canada: Coping assessed using the Brief COPE Inventory used for the evaluation of Preventure Programme at baseline and one month after the intervention.

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Secondary

Measure	Time frame
Italy: 1. Self-control assessed using 13 items taken from the PAS questionnaire at baseline and one month after the end of the intervention 2. Parental rules about alcohol use assessed using 10 items taken from the PAS questionnaire at baseline and one month after the end of the intervention 3. Attitudes towards substance use assessed using 11 items taken from the EU-Dap questionnaire at baseline and one month after the end of the intervention 4. Coping assessed using the Brief COPE Inventory used for the evaluation of Preventure Programme at baseline and one month after the end of the intervention Netherlands: 1. Ability to resist pressure and offers to use alcohol and illicit substances assessed using two items taken from the EU-Dap Questionnaire at baseline and one month after the intervention 2. Attitudes towards substance use assessed using 11 items taken from the EU-Dap questionnaire at baseline and one month after the end of the intervention 3. Coping assessed using the Brief COPE Inventory used for the evaluation of Preventure Programme at baseline and one month after the end of the intervention Israel: 1. Ability to resist pressure and offers to use alcohol and illicit substances assessed using two items taken from the EU-Dap Questionnaire at baseline and one month after the intervention 2. Self-control assessed at using 13 items taken from the PAS questionnaire at baseline and one month after the intervention 3. Parental rules about alcohol use assessed using 10 items taken from the PAS questionnaire at baseline and one month after the end of the intervention 4. Coping assessed using the Brief COPE Inventory used for the evaluation of Preventure Programme at baseline and one month after the end of the intervention Canada: 1. Ability to resist pressure and offers to use alcohol and illicit substances assessed using two items taken from the EU-Dap Questionnaire at baseline and one month after the intervention 2. Attitudes towards substance use assessed us	—

Measure

Time frame

Italy: 1. Self-control assessed using 13 items taken from the PAS questionnaire at baseline and one month after the end of the intervention 2. Parental rules about alcohol use assessed using 10 items taken from the PAS questionnaire at baseline and one month after the end of the intervention 3. Attitudes towards substance use assessed using 11 items taken from the EU-Dap questionnaire at baseline and one month after the end of the intervention 4. Coping assessed using the Brief COPE Inventory used for the evaluation of Preventure Programme at baseline and one month after the end of the intervention Netherlands: 1. Ability to resist pressure and offers to use alcohol and illicit substances assessed using two items taken from the EU-Dap Questionnaire at baseline and one month after the intervention 2. Attitudes towards substance use assessed using 11 items taken from the EU-Dap questionnaire at baseline and one month after the end of the intervention 3. Coping assessed using the Brief COPE Inventory used for the evaluation of Preventure Programme at baseline and one month after the end of the intervention Israel: 1. Ability to resist pressure and offers to use alcohol and illicit substances assessed using two items taken from the EU-Dap Questionnaire at baseline and one month after the intervention 2. Self-control assessed at using 13 items taken from the PAS questionnaire at baseline and one month after the intervention 3. Parental rules about alcohol use assessed using 10 items taken from the PAS questionnaire at baseline and one month after the end of the intervention 4. Coping assessed using the Brief COPE Inventory used for the evaluation of Preventure Programme at baseline and one month after the end of the intervention Canada: 1. Ability to resist pressure and offers to use alcohol and illicit substances assessed using two items taken from the EU-Dap Questionnaire at baseline and one month after the intervention 2. Attitudes towards substance use assessed us

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Countries

Canada, Israel, Italy, Netherlands

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026