| Professional organisations, medical and scientific societies | | 28 (19) | 51 (35) | 15 (10) | 3 (2) | 3 (2) |
| Policies and priorities of the current government | | 54 (37) | 21 (14) | 15 (10) | 7 (5) | 3 (2) |
| Media coverage of quality issues or problems in healthcare | | 25 (17) | 44 (30) | 25 (17) | 3 (2) | 3 (2) |
| National or regional quality task force or working group | | 35 (24) | 32 (22) | 19 (13) | 10 (7) | 3 (2) |
| Provider organisations, eg, hospitals or primary care providers | | 22 (15) | 44 (30) | 24 (16) | 7 (5) | 3 (2) |
| Public opinion about the quality of healthcare | | 19 (13) | 44 (30) | 25 (17) | 7 (5) | 4 (3) |
| Development of quality improvement policies in other EU countries | | 21 (14) | 38 (26) | 29 (20) | 9 (6) | 3 (2) |
| Patient and service user organisations | | 7 (5) | 43 (29) | 40 (27) | 7 (5) | 3 (2) |
| Policies and initiatives of the European Commission | | 10 (7) | 22 (15) | 53 (36) | 12 (8) | 3 (2) |
| Activities of the International Society for Quality in Health Care | | 4 (3) | 25 (17) | 44 (30) | 24 (16) | 3 (2) |