substance use
Conditions
Interventions
In elementary school, substance use is rare, and the attitude towards substance use is predominantly negative. In early adolescence, children experience several important biological, cognitive and psy
Sponsors
Trimbos Institute
Eligibility
Inclusion criteria
Inclusion criteria: 1. All secondary schools with multiple first year classes were eligible for participation in the study. 2. All participating teachers were required to participate in a three hour training session before they were allowed to teach the curriculum. 3. All high school freshman of participating schools were eligible for participation in the study. 4. Passive informed consent from parents.
Exclusion criteria
Exclusion criteria: Participants not meeting the aforementioned criteria.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Attitude towards substance use (attitude towards smoking; attitude towards alcohol use; attitude towards cannabis use); The primary outcomes are measured at baseline, posttest 1, and posttest 2 | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. The intention to use substance in the future (smoking, alcohol use, and cannabis use). 2. Frequency of substance use (smoking, alcohol use, and cannabis use). 3. Experienced social norms (smoking, alcohol use, and cannabis use). 4. Risk perception (smoking, alcohol use, and cannabis use). 5. Refusal self-efficacy (smoking, alcohol use, and cannabis use). Alle secondary outcomes are measured at baseline, posttest 1, and posttest 2 | — |
Contacts
Public ContactJ. Lammers
P.O. BOX 725
Outcome results
None listed