Table 1

Overview of contents of the intervention

UnitLength/contentsParent leaflet (contents)
Parent-teacher conference 1: Overall introduction to the programme
5.1 Class community45 min: introduction, familiarisation, relationshipsIntroduction to the programme and overview
5.2 Class rules90 min: development of class rules, incentives and sanctionsExplanation for the need of rules
5.3 Communication90 min: communication skills and self-assertion
5.4 Feedback90 min: how to provide and get feedback
5.5 Class board45 min: introduction of a class board, social learningIntroduction of a family board
5.6 How to solve problems90 min: learning of a useful strategy of solving problems (five-finger-strategy)Introduction of the five-finger-strategy
5.7 Less is more/beloved habits135 min: developing awareness of addiction, habits, ritualsExplanation for the need of learning about habits, rituals, and addiction
Workshop: Smoking cigarettes4–6 h: nine different tasks with topics concerning smoking (eg, risks, components, consequences of addiction, self-resistance, peer pressure)Information of rules that help to prevent smoking onset
Parent-teacher conference 2: Topic Smoking: Leading questions: why does the child learn about smoking and how can it be supported?
6.1 Learning together90 min: learning to cooperate, working in a team
6.2 Sentimentally90 min: cognition and expression of comfortable and unpleasant emotions like fear, anger, sadness, happinessExplanation for the need of expressing emotions
6.3 Strengthening my strengths90 min: empathy and self-awareness, strengths and weaknessesHow to support the child in recognising its strengths and weaknesses
6.4 Being different45 min: learning to accept being different
6.5 Dealing with conflicts90 min: learning a strategy to deal with conflicts in an adequate and peaceful mannerHow to support the child in dealing with conflicts
6.6. Stress and relaxation90 min: realising the importance of relaxation, methods to handle stressful situationsHow to support the child in handling stressful situations
6.7 Bullying90 min: learning to recognise and realise bullying, strategies to prevent it and to help if it occursRealising bullying, support the child if it is bullied
Workshop: Alcohol4–6 h: nine different tasks with topics concerning alcohol consumption (eg, risks, consequences of addiction, self-resistance, peer pressure)Information about rules and support
Parent-teacher conference 3: Topic Alcohol: Leading questions: why does the child learn about alcohol consumption and how can it be supported?