Characteristics of study participants at randomisation
| Intervention (n=12) | Control (n=12) | |
|---|---|---|
| M/F | 6/6 | 5/7 |
| Mean (SD) age (years) | 45 (17) | 47 (17) |
| Smoker | 5 | 6 |
| Non-smoker | 5 | 3 |
| Ex-smoker | 1 | 1 |
| Passive smoker | 1 | 2 |
| Ethnic minority group | 4 | 3 |
| Understands English | 11 | 11 |
| Needs interpreter | 2 | 0 |