Parameter | Attribute level | Asthma | COPD | ||||
---|---|---|---|---|---|---|---|
Estimate (SE) | p-value | Odds ratio | Estimate (SE) | p-value | Odds ratio | ||
Ease of use | 1 step | 0.55 (0.081) | <0.0001 | 1.733 | 0.282 (0.118) | 0.017 | 1.326 |
2 or 3 steps | 0.281 (0.069) | <0.0001 | 1.324 | 0.203 (0.1) | 0.043 | 1.226 | |
Accurate | Yes | 0.377 (0.047) | <0.0001 | 1.458 | 0.419 (0.069) | <0.0001 | 1.52 |
Confirmation that the dose was taken | Taste of lactose | 0.333 (0.045) | <0.0001 | 1.395 | 0.362 (0.066) | <0.0001 | 1.436 |
Hygiene | Mouthpiece can be replaced | –0.032 (0.063) | 0.611 | 0.968 | –0.028 (0.091) | 0.757 | 0.972 |
Mouthpiece can be washed | 0.026 (0.063) | 0.678 | 1.027 | –0.073 (0.092) | 0.427 | 0.929 | |
Flexibility | Any position | 0.164 (0.045) | 0.0003 | 1.178 | –0.03 (0.065) | 0.646 | 0.97 |
Ease of use during episode of breathing difficulties | Yes | 0.5 (0.051) | <0.0001 | 1.649 | 0.549 (0.075) | <0.0001 | 1.731 |
Monthly out-of-pocket money |  | –0.114 (0.012) | <0.0001 | 0.893 | –0.067 (0.017) | <0.0001 | 0.936 |
Current inhaler | Yes | 0.207 (0.086) | 0.016 | 1.23 | 0.137 (0.126) | 0.275 | 1.147 |