TABLE 2.
Baseline demographic and clinical characteristics
| Total population (n=437) | Arm 1 (n=87) | Arm 2 (n=88) | Arm 3 (n=88) | Arm 4 (n=88) | Arm 5 (n=86) | |
| Age years | ||||||
| Mean | 47±15 | 47±16 | 47±15 | 48±15 | 48±13 | 47±16 |
| 18–64 | 380 (87) | 74 (85) | 79 (90) | 75 (85) | 80 (91) | 72 (84) |
| 65–84 | 56 (13) | 13 (15) | 8 (9) | 13 (15) | 8 (9) | 14 (16) |
| ≥85 | 1 (<1) | 0 | 1 (1) | 0 | 0 | 0 |
| Female sex | 284 (65) | 64 (74) | 54 (61) | 59 (67) | 60 (68) | 47 (55) |
| BMI kg·m−2 | 31±8 | 30±7 | 30±7 | 32±9 | 31±7 | 30±8 |
| Ethnicity | ||||||
| Asian | 22 (5) | 4 (5) | 5 (6) | 4 (5) | 4 (5) | 5 (6) |
| Black or African | 34 (8) | 10 (11) | 3 (3) | 8 (9) | 9 (10) | 4 (5) |
| American | ||||||
| White | 373 (85) | 72 (83) | 76 (86) | 76 (86) | 75 (85) | 74 (86) |
| Other | 8 (2) | 1 (1) | 4 (5) | 0 | 0 | 3 (3) |
| Baseline ACT score# | 15.7±2.84¶ | 16.1±2.48 | 15.9±2.85 | 15.0±3.07 | 16.0±2.98 | 15.7±2.72 |
Data are presented as n (%) or mean±sd. Arm 1: maintenance data to participants and HCPs; arm 2: maintenance data to participants; arm 3: maintenance and rescue data to participants and HCPs; arm 4: maintenance and rescue data to participants; arm 5: no feedback (control). BMI: body mass index; ACT: asthma control test; HCP: healthcare professional. #: measured at the randomisation visit; ¶: calculated post hoc (total population baseline only).