Mean (SD) scores and results of additional intention-to-treat analyses adjusted for baseline outcomes scores to compare health outcomes in control and intervention groups at 2, 6, and 12 months
| Baseline | 2 months | 6 months | 12 months | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Control(N = 47) | Intervention(N = 45) | Control(N = 42) | Intervention(N = 42) | Fully adjusted difference*(95% CI) | p* | Control(N = 42) | Intervention(N = 42) | Fully adjusted difference*(95% CI) | p* | Control(N = 42) | Intervention(N = 42) | Fully adjusted difference*(95% CI) | p* | |
| *Adjusted for baseline outcome scores (as covariate) and differences in sex, age at leaving full time education, and recent Accident & Emergency attendance or admission. | ||||||||||||||
| Primary outcome | ||||||||||||||
| Asthma symptom control score (range 0–9, lower = better) | 5.11 (3.00) | 6.06 (3.11) | 5.00 (3.08) | 4.29 (3.26) | 1.03 (−0.19 to 2.25) | 0.10 | 4.00 (2.91) | 4.21 (3.50) | 0.27 (−0.87 to 1.40) | 0.64 | 4.48 (3.00) | 4.36 (3.50) | 0.87 (−0.33 to 2.07) | 0.15 |
| Secondary outcomes | ||||||||||||||
| Asthma quality of life score (range 0–2, lower = better) | 1.14 (0.40) | 1.20 (0.41) | 1.08 (0.41) | 1.04 (0.43) | 0.14 (0.04 to 0.23) | 0.01 | 1.04 (0.40) | 1.02 (0.45) | 0.13 (0.03 to 0.23) | 0.01 | 1.02 (0.44) | 1.01 (0.45) | 0.13 (0.02 to 0.25) | 0.03 |
| SF-36 physical function score (range 0–100, higher = better) | 55.33 (26.83) | 50.85 (31.46) | 51.67 (28.08) | 55.71 (33.21) | −7.98 (−16.21 to 0.25) | 0.06 | 55.36 (29.56) | 52.98 (31.59) | −2.53 (−11.65 to 6.59) | 0.58 | 58.45 (30.01) | 55.83 (33.98) | −4.46 (−12.51 to 3.60) | 0.27 |
| SF-36 mental health score (range 0–100, higher = better) | 62.49 (22.14) | 58.81 (23.01) | 62.57 (21.16) | 64.86 (22.60) | −7.65 (−15.33 to 0.19) | 0.05 | 66.19 (20.82) | 66.19 (22.30) | −4.50 (−12.21 to 3.20) | 0.25 | 63.81 (23.90) | 66.38 (24.36) | −8.31 (−17.20 to 0.58) | 0.07 |