Table 2 Presentation of the structure of the category system

1. Structure of the LT Centre

1.1 Spatial structure

1.2 Organisational structure

1.3 Frequency and duration of addiction medical care services

2. Abstinence control

2.1 Laboratory chemical evidence of abstinence

2.2 Proof of therapy

3.Inclusion of third-party history

3.1 Third-party history determined by relatives

3.2 Third-party history determined by family doctors and external practitioners

4. Support services at the LT center

4.1 Psychotherapeutic and psychoeducational support at the center

4.2 Support in arranging offers within the institution

4.3 Support in arranging offers outside the LT center

5. Barriers to addiction treatment for the patient group

5.1 Attitudes of practitioners towards patients with addiction

5.2 Barriers to support arising from role conflict (assessor vs. therapeutic role)

5.3 Insufficient financing of offers that are considered useful

5.4 Structural barriers in the addiction help network

5.5 Physical limitations / somatic disease of the patient group

5.6 Language barrier

5.7 Fear of stigma

6. Burdens on practitioners

6.1 Decision on listing

6.2 Personal role conflict

6.3 Interdisciplinary role conflicts

6.4 Structural burdens

7. Suggestions for improvement from the practitioners

7.1 Ideas on how to improve treatment

7.2 Suggestions from practitioners as to how their professional work basis could be adapted to increase their confidence when deciding how to treat their patients