| Univariate regression | Multiple regression | ||||
---|---|---|---|---|---|---|
 | Coefficient | 95% CI | p-value | Coefficient | 95% CI | p-value |
Age | − 0.142 | − 0.018, − 0.001 | 0.038 |  |  |  |
Duration of ICS use | − 0.123 | − 0.052, 0.002 | 0.073 |  |  |  |
FEV1% predicted | 0.242 | 0.003, 0.016 | 0.003 | Â | Â | Â |
BIP-1 Consequences | − 0.485 | − 0.208, − 0.126 | 0.000 | − 0.197 | − 0.120, − 0.018 | 0.008 |
BIP-2 Timeline | 0.027 | − 0.033, 0.049 | 0.695 |  |  |  |
BIP-3 Personal control | 0.358 | 0.098, 0.204 | 0.000 | 0.333 | 0.083, 0.187 | 0.000 |
BIP-4 Treatment control | 0.100 | − 0.015, 0.103 | 0.145 |  |  |  |
BIP-5 Identity | − 0.316 | − 0.158, − 0.067 | 0.000 |  |  |  |
BIP-6 Concerns | − 0.198 | − 0.150, − 0.030 | 0.004 |  |  |  |
BIP-7 Comprehension | 0.092 | − 0.015, 0.081 | 0.181 |  |  |  |
BIP-8 Emotional response | − 0.425 | − 0.170, − 0.094 | 0.000 | − 0.294 | − 0.139, − 0.051 | 0.000 |
Medication adherence | 0.273 | 0.128, 0.360 | 0.000 | 0.250 | 0.107, 0.327 | 0.000 |