Table S4.
Physician perception of patient compliance with treatment instructions, by country: Continuing to Confront COPD International Survey, 2012–2013
| Total (N=1,307) |
USA (N=200) |
Mexico (N=101) |
Brazil (N=101) |
France (N=100) |
Germany (N=100) |
Italy (N=100) |
Spain (N=100) |
UK (N=100) |
NL (N=101) |
Russia (N=100) |
Japan (N=101) |
SK (N=103) |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Approximately what percentage of your patients on maintenance medication for their COPD comply fully to their treatment instructions? | |||||||||||||
| 76%–100% | 15 | 16 | 13 | 21 | 15 | 15 | 26 | 16 | 12 | 5 | 11 | 17 | 13 |
| 51%–75% | 45 | 50 | 52 | 48 | 49 | 40 | 28 | 51 | 57 | 53 | 7 | 53 | 47 |
| 26%–50% | 30 | 25 | 25 | 26 | 29 | 38 | 38 | 28 | 27 | 38 | 33 | 28 | 31 |
| 1%–25% | 10 | 8 | 11 | 6 | 7 | 7 | 7 | 5 | 4 | 5 | 47 | 3 | 9 |
| None | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 1 |
|
In your experience, how much of a problem are the following when it comes to patients’ compliance with their medication regimens for COPD? Troublesome side effects (%) | |||||||||||||
| Major problem | 26 | 13 | 26 | 28 | 32 | 27 | 19 | 34 | 14 | 11 | 54 | 58 | 13 |
| Minor problem | 59 | 77 | 58 | 53 | 53 | 69 | 48 | 56 | 73 | 58 | 39 | 40 | 60 |
| Not a problem | 15 | 10 | 16 | 19 | 15 | 4 | 33 | 10 | 13 | 31 | 6 | 2 | 27 |
| Patients do not perceive a benefit of treatment (%) | |||||||||||||
| Major problem | 46 | 47 | 48 | 30 | 55 | 39 | 40 | 37 | 45 | 47 | 55 | 66 | 44 |
| Minor problem | 43 | 44 | 41 | 49 | 34 | 48 | 38 | 51 | 47 | 46 | 34 | 31 | 51 |
| Not a problem | 11 | 9 | 12 | 22 | 11 | 13 | 21 | 12 | 8 | 8 | 9 | 3 | 5 |
| The cost of medications (%) | |||||||||||||
| Major problem | 44 | 89 | 81 | 86 | 8 | 18 | 18 | 32 | 8 | 6 | 62 | 50 | 24 |
| Minor problem | 34 | 10 | 16 | 12 | 48 | 48 | 30 | 54 | 30 | 40 | 33 | 43 | 69 |
| Not a problem | 22 | 1 | 3 | 2 | 44 | 34 | 51 | 14 | 62 | 54 | 5 | 7 | 7 |
| Inconvenience of dosing schedule (%) | |||||||||||||
| Major problem | 26 | 20 | 22 | 33 | 31 | 27 | 17 | 28 | 19 | 22 | 29 | 50 | 24 |
| Minor problem | 57 | 66 | 60 | 53 | 45 | 65 | 48 | 58 | 66 | 64 | 44 | 49 | 61 |
| Not a problem | 16 | 14 | 18 | 14 | 24 | 8 | 35 | 14 | 15 | 14 | 25 | 1 | 15 |
| Low patient education or poor understanding of disease (%) | |||||||||||||
| Major problem | 57 | 52 | 50 | 57 | 64 | 57 | 66 | 67 | 54 | 47 | 57 | 69 | 50 |
| Minor problem | 38 | 43 | 43 | 37 | 34 | 37 | 28 | 30 | 45 | 51 | 31 | 28 | 44 |
| Not a problem | 5 | 5 | 8 | 6 | 2 | 6 | 6 | 3 | 1 | 2 | 11 | 3 | 6 |
| Poor inhaler technique (%) | |||||||||||||
| Major problem | 60 | 43 | 52 | 34 | 72 | 67 | 70 | 87 | 71 | 79 | 60 | 60 | 46 |
| Minor problem | 35 | 52 | 37 | 55 | 26 | 30 | 19 | 13 | 28 | 21 | 34 | 38 | 50 |
| Not a problem | 5 | 5 | 11 | 11 | 2 | 3 | 11 | 0 | 1 | 0 | 5 | 2 | 5 |
| Forgetfulness (%) | |||||||||||||
| Major problem | 35 | 29 | 37 | 28 | 39 | 37 | 52 | 39 | 39 | 28 | 27 | 54 | 14 |
| Minor problem | 54 | 63 | 50 | 61 | 52 | 59 | 36 | 56 | 56 | 59 | 44 | 39 | 61 |
| Not a problem | 11 | 8 | 13 | 11 | 9 | 4 | 12 | 5 | 5 | 13 | 26 | 7 | 25 |
| Difficulty managing multiple medication regimens (%) | |||||||||||||
| Major problem | 52 | 61 | 47 | 62 | 40 | 56 | 52 | 64 | 60 | 51 | 48 | 41 | 34 |
| Minor problem | 41 | 38 | 49 | 34 | 52 | 40 | 36 | 32 | 34 | 45 | 25 | 53 | 59 |
| Not a problem | 7 | 1 | 5 | 4 | 8 | 4 | 12 | 4 | 6 | 4 | 27 | 6 | 7 |
Abbreviations: COPD, chronic obstructive pulmonary disease; NL, the Netherlands; SK, South Korea.