Table 1 Overview of study participants and school characteristics (based on 2018 data)
| School A | School B | School C | School D | School E | School F | |
|---|---|---|---|---|---|---|
| Main subject area | Production school | Care, health, and pedagogy | Care, health, and pedagogy | Technology, construction, and transportation | Food, agriculture, and hospitality | Administration, commerce, and business service |
| Region | Southern Denmark | Southern Denmark | Capital | Zealand | Zealand | Southern Denmark |
| School tobacco policy and/or experience with smoke-free school hours | Smoke-free school hours since 2013 |
Established smoke-free school hours in 2016 and withdrew the policy after 6 months. Smoking allowed at designated areas on school grounds (outdoors) | Smoke-free school hours since 2013 | Smoking allowed on school grounds (outdoors) | Smoking only allowed outside school area | Smoking allowed at designated areas on school grounds (outdoors) |
| Participants (n) and their school positions | Principal manager | Principal manager and school health responsible | Principal manager | Departmental manager | Principal manager and departmental manager | Principal manager |
| 2 Teachers | 1 Teacher | 2 Teachers | 3 Teachers | 4 Teachers | 2 Teachers |