Tobacco-related object types
| Tobacco-related object type | Total number of intervals |
| Cigarette packet | 66 |
| Matches | 6 |
| Lighter | 57 |
| Ashtray | 75 |
| No smoking sign | 226 |
| Other (eg, signs or posters mentioning tobacco, smoking mentioned as part of quit smoking adverts) | 100 |