Sociodemographic data, spirometry, level of control of asthma symptoms and anxiety/depression of study patients
| Variables | Baseline visit (n=3183) | Telephone survey at 3 months (n=3057) | Final visit at 6 months (n=2902) | p Value (final vs baseline visits) |
| Sociodemographic data | ||||
| Women, n (%) | 1948 (61.2) | |||
| Age, years, mean (SD) | 46.8 (16.7) | |||
| Smoking status | ||||
| Current smoker | 391 (12.3) | |||
| Ex-smoker | 757 (23.8) | |||
| Never smoker | 2034 (63.9) | |||
| Civil status | ||||
| Married or lived with a partner | 2082 (65.4) | |||
| Single | 820 (25.8) | |||
| Separated or widowed | 281 (8.8) | |||
| Years since asthma diagnosis, mean (SD) | 7.6 (9.6) | |||
| Severity of asthma, n (%) | ||||
| Moderate | 2577 (81.0) | |||
| Severe | 605 (19.0) | |||
| Exacerbations in the last 6 months, mean (SD) | 2.3 (1.8) | |||
| Asthma control and spirometry | ||||
| ACT score, mean (SD) | 15.8 (4.7) | 19.3 (4.2) | 19.4 (4.4) | <0.001 |
| Patients with controlled asthma (ACT ≥20), n (%) | 785 (24.7) | 1700 (55.6) | 1667 (57.5) | <0.001 |
| FEV1, %, mean (SD) | 81.6 (20.9) | 86.0 (20.8) | <0.001 | |
| HADS | ||||
| Anxiety subscale score, mean (SD) | 7.1 (4.3) | 5.9 (4.2) | <0.001 | |
| Patients with anxiety (score ≥11), n (%) | 769 (24.2) | 445 (15.3) | <0.001 | |
| Depression subscale score, mean (SD) | 5.2 (4.1) | 4–4 (4.0) | <0.001 | |
| Patients with depression (score ≥11), n (%) | 373 (11.7) | 234 (8.1) | <0.001 |
ACT, asthma control test; FEV1, forced expiratory volume in first second; HADS, Hospital Anxiety Depression Scale.