Participant characteristics by country of residence
| UK N=34 | USA and Canada N=38 | |
|---|---|---|
| Female, n (%) | 20 (58.8) | 29 (76.3) |
| Age | ||
| Mean in years (SD) | 34.8 (17.3) | 31.0 (12.9) |
| Range | 18–79 | 18–65 |
| 18–32 years, n (%) | 22 (64.7) | 24 (63.2) |
| 33–55 years, n (%) | 4 (11.8) | 12 (31.6) |
| >55 years, n (%) | 8 (23.5) | 2 (2.6) |
| FEV1% predicted | ||
| Mean (SD) | 72 (26) | 66 (19) |
| Range | 26–115 | 33–101 |
| >80%, n (%) | 12 (35) | 8 (21) |
| Missing, n (%) | 1 (3) | 1 (3) |
| Past/current growth of Pseudomonas aeruginosa, n (%) | ||
| Missing, n (%) | 11 (32) | 23 (61) |
| 2 (6) | 1 (3) | |
| Education, n (%) | ||
| Second level or less | 11 (32) | 8 (21) |
| Some college | 4 (12) | 7 (19) |
| College graduate/postgraduate | 16 (47) | 21 (55) |
| Missing | 3 (9) | 2 (5) |
| Working status, n (%) | ||
| Part-time or full-time employment | 18 (52.9) | 7 (18.4) |
| Full-time homemaker | 1 (2.9) | 13 (34.2) |
| Attending education courses outside the home | 7 (20.6) | 6 (15.8) |
| Attending education courses inside the home | 0 (0) | 3 (7.9) |
| Not working due to health | 3 (8.8) | 2 (5.3) |
| Not working for other reason | 3 (8.8) | 6 (15.8) |
| Retired | 2 (5.9) | 1 (2.6) |
| Ethnicity, n (%) | ||
| White | 32 (94.1) | 31 (81.6) |
| Black | 0 (0) | 0 (0) |
| Hispanic | 0 (0) | 2 (5.3) |
| Asian | 0 (0) | 2 (5.3) |
| Other | 2 (5.9) | 1 (2.6) |
| Missing | 0 (0) | 2 (5.3) |