Adherence to Controller Inhalers at Baseline and 9 Months, by Study Arm (N = 98)
| Measure | Health-Coaching Arm (n = 50) | Usual-Care Arm (n = 48) | Difference, % | Adjusted Difference, % (95% CI)a | P Value | ||
|---|---|---|---|---|---|---|---|
| Baseline | 9 Months | Baseline | 9 Months | ||||
| Number days (of the last 7) patient reported taking medications as prescribed, mean (SD) | 5.9 (2.0) | 6.4 (1.3) | 5.6 (2.4) | 5.5 (2.0) | 0.84 | 0.75 (0.13 to 1.37) | .02 |
| Perfect adherence, % (No.) | 66.0 (33) | 70.0 (35) | 58.3 (28) | 54.2 (26) | 15.8 | 15.2 (–4.3 to 34.8) | .13 |
| Good adherence, % (No.) | 84.0 (42) | 90.0 (45) | 79.2 (38) | 68.8 (33) | 21.2 | 26.4 (6.9 to 49.9) | .008 |
↵a Adjusted for baseline value of measure and clustering by clinic site.
Note: Includes only patients with data for baseline and 9 months (ie, patients on controller inhalers at both time points). See Table 1 footnotes for definitions of adherence.