1. Showed correct technique of using IT | 20 (35.5) | 30 (50) | <0.01 |
2. IT is only for severe degree of disease | 18 (32.1) | 10 (17.8) | <0.01 |
3. IT consists of various types of drugs | 16 (28.6) | 19 (33.9) | NS |
4. It is possible to addict to IT | 17 (30.4) | 12 (21.4) | NS |
5. Treatment interruption by Pt's decision | 24 (42.8) | 22 (39.2) | NS |
6. Do not make difference between use of short and long acting β2 agonists | 40 (71.4) | 38 (67.8) | NS |