Table S1.
Participants’ characteristics at baseline
| Completers (n=40) | Withdrawals (n=14) | P | |
|---|---|---|---|
| Sociodemographics | |||
| Age, years | 51 (15) | 50 (17) | 0.83 |
| Men, n (%) | 14 (35) | 7 (50) | 0.32 |
| Cohabitation (yes), n (%) | 24 (60) | 6 (43) | 0.27 |
| Employed (yes), n (%) | 18 (45) | 9 (65) | 0.21 |
| Education level (≥12 years), n (%) | 21 (52) | 9 (64) | 0.44 |
| Clinical and functional profile | |||
| Refill: β2LA + ICS or ICS alone, % | 15 (38) | 6 (33) | 0.72 |
| Refill: combined β2LA + ICS, % | 25 (62) | 8 (57) | |
| Total dose of combined β2LA and/or ICS, mg | 739 (461) | 675 (618) | 0.68 |
| Anti-leukotrienes, n (%) | 11 (27) | 1 (7) | 0.15 |
| Anti-rhinitics, n (%) | 13 (32) | 6 (43) | 0.53 |
| FEV1, L | 2.0 (0.7) | 2.2 (1.1) | 0.51 |
| FEV1, % predicted | 67 (15) | 74 (39) | 0.51 |
| FVC, L | 2.4 (1.1) | 2.7 (1.3) | 0.53 |
| FVC, % predicted | 67 (17) | 77 (54) | 0.47 |
| FEV1/FVC, % predicted | 103 (17) | 102 (18) | 0.78 |
| Atopic, n (%) | 33 (82) | 10 (72) | 0.45 |
| Current smoker (yes), n (%) | 4 (10) | 3 (21) | 0.36 |
| BMI, kg · m−2 | 31 (8) | 29 (6) | 0.53 |
| Waist circumference, cm | 95 (16) | 95 (10) | 0.98 |
| Asthma duration, years | 25 (20) | 21 (12) | 0.44 |
| Bronchodilator use, # last week | 6 (8) | 12 (19) | 0.25 |
| Bronchodilator use, # per puff | 1.5 (0.5) | 1.4 (0.5) | 0.30 |
| ACT scores (5–25) | 17 (4) | 18 (3) | 0.22 |
| ACQ scores (0–6) | 1.9 (0.9) | 2.0 (1.3) | 0.61 |
| ASES total scores (1–5) | 2.6 (0.1) | 2.6 (0.2) | 0.91 |
| Morisky scores (5–30) | 22 (5) | 22 (4) | 0.93 |
| AQLQ scores (1–7) | |||
| Total | 4.9 (0.9) | 4.9 (1.2) | 0.94 |
| Activity limitations | 4.5 (1.2) | 4.6 (1.4) | 0.75 |
| Symptoms | 5.0 (0.9) | 4.9 (1.2) | 0.78 |
| Emotional function | 5.4 (1.2) | 5.5 (1.3) | 0.77 |
| Exposure | 4.7 (1.4) | 4.7 (1.4) | 0.96 |
Notes: Data are expressed as mean (SD) or n (%).
Abbreviations: MI, motivational interviewing; β2LA, long-acting beta2-agonists; ICS, inhaled corticosteroid; FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; BMI, body mass index; AQLQ, asthma quality-of-life questionnaire; ACT, Asthma Control Test; ACQ, Asthma Control Questionnaire; ASES, Asthma Self-Efficacy Scale.