Qualitative interview sample characteristics
| Sample characteristics | Total n=37 |
| Gender | |
| Male | 16 |
| Female | 21 |
| Age, years | |
| Mean (range) | 64.7 (48–84) |
| Smoking status | |
| Current smoker | 18 |
| Occasional smoker | 3 |
| Former smoker, recent quitter (within 5 years) | 5 |
| Former smoker (quit over 5 years ago) | 11 |
| Deprivation decile | |
| Welsh Index of Multiple Deprivation | |
| Decile 1 (most deprived 10%) | 5 |
| Decile 2 (most deprived 11%–20%) | 10 |
| Scottish Index of Multiple Deprivation | |
| Decile 1 (most deprived 10%) | 4 |
| Decile 2 (most deprived 11%–20%) | 12 |
| English Index of Multiple Deprivation | |
| Decile 1 (most deprived 10%) | 6 |
| Self-reported lung condition | |
| Chronic obstructive pulmonary disease | 26 |
| Chronic bronchitis | 2 |
| Chronic emphysema | 2 |
| Occupational lung disease | 1 |
| Unsure of diagnosis | 4 |
| Missing | 2 |
| Educational attainment | |
| Left school at/before age 15 | 29 |
| Completed CSEs, O-Levels or equivalent | 5 |
| Completed A levels or equivalent | 1 |
| Completed further education but not degree | 1 |
| Missing | 1 |
| Employment | |
| Employed full-time | 2 |
| Employed part-time | 1 |
| Casual work | 1 |
| Job seekers or disability benefit | 17 |
| Retired | 16 |
| Home/living arrangement | |
| Own flat/house | 14 |
| Rent from local authority/housing association | 21 |
| Rent privately | 1 |
| Missing | 1 |