Participant characteristics (n=16)
| Work role | No of years of service | ||
| Residential officer | 8 | 1–10 | 2 |
| Non-residential officer | 6 | 11–20 | 6 |
| Managerial | 1 | 21–30 | 5 |
| Missing | 1 | 31–40 | 2 |
| Missing | 1 | ||
| Sex | Age (years) | ||
| Male | 13 | 18–30 | 2 |
| Female | 3 | 31–40 | 2 |
| 41–50 | 3 | ||
| 51–60 | 8 | ||
| Missing | 1 | ||
| Smoking status | Vaping status | ||
| Non-smoker | 9 | Non vaper | 11 |
| Ex smoker | 4 | Ex vaper | 3 |
| Current smoker | 2 | Current vaper | 1 |
| Missing | 1 | Missing | 1 |