Table 1.

Treatment programs

	Treatment as Usual (TAU) only	Integrated treatment protocol
Session 1	Introduction, advantages and disadvantages of substance use, effect of substance use on mental problems, enhancing motivation to become abstinent	Introduction, advantages and disadvantages of substance use, effect of substance use on mental problems, enhancing motivation to become abstinent
Session 2	Treatment goals and treatment plan	Treatment goals and treatment plan
Session 3	Self control measures	Self control measures
Session 4	Risk situations	Risk situations
Session 5	Analysis of functional elements in substance use	ADHD: introduction of a cognitive model of ADHD, introduction of calendar and task list in notebook
Session 6	Dealing with craving	Analysis of functional elements in substance use (similar to session 5 in TAU)
Session 7	Relapse and relapse prevention	ADHD: problem solving
Session 8	Social pressure	Dealing with craving (similar to session 6 in TAU)
Session 9	Optional theme: one of earlier themes can be repeated, or one of the themes ‘changing of thoughts’ or ‘dealing with emotions’ can be explored.	ADHD: reducing distractibility
Session 10	Evaluation	Relapse and relapse prevention (Similar to session 7 in TAU)
Session 11		ADHD: mood problems
Session 12		Social pressure (similar to session 8 in TAU)
Session 13		ADHD: organizing papers
Session 14		Optional theme: one of earlier themes can be repeated, or one of the themes ‘changing of thoughts’ or ‘dealing with emotions’ can be explored. (similar to session 9 in TAU)
Session 15		Evaluation (Similar to session 10 in TAU)