Table I.
Data quality (mean value (mean), standard deviation (SD), median, item response, answers in the “Not applicable/relevant” category, missing answers, and answers in lowest (floor) and highest (ceiling)) and internal consistency (Cronbach's alpha and average inter-item correlation for the domain).
| n | Mean1 | SD | Median1 | Item response | “Not relevant” | Missing | Floor | Ceiling | ||
| Doctor–patient relationship (average inter-item correlation = 0.64, alpha = 0.92) | ||||||||||
| 1 | Making you feel you had time during consultations? | 55877 | 4.16 | 0.91 | 4 | 99.7 | 0.3 | 0.4 | 1.3 | 43.5 |
| 2 | Interest in your personal situation? | 55630 | 4.23 | 0.88 | 4 | 99.6 | 0.7 | 0.4 | 1.0 | 47.0 |
| 3 | Making it easy for you to tell him or her about your problems? | 55390 | 4.22 | 0.88 | 4 | 99.6 | 1.1 | 0.4 | 1.0 | 45.9 |
| 4 | Involving you in decisions about your medical care? | 52936 | 4.15 | 0.89 | 4 | 99.2 | 5.1 | 0.8 | 0.9 | 39.8 |
| 5 | Listening to you? | 55841 | 4.31 | 0.85 | 5 | 99.6 | 0.3 | 0.4 | 0.8 | 51.6 |
| 6 | Keeping your records and data confidential? | 43838 | 4.68 | 0.61 | 5 | 99.0 | 21.0 | 1.0 | 0.1 | 57.9 |
| Medical care (average inter-item correlation = 0.68, alpha = 0.92) | ||||||||||
| 7 | Quick relief of your symptoms? | 49908 | 4.03 | 0.94 | 4 | 99.2 | 10.5 | 0.8 | 1.5 | 33.0 |
| 8 | Helping you feel well so that you can perform your normal daily activities? | 47444 | 4.04 | 0.93 | 4 | 99.0 | 1.0 | 1.0 | 1.3 | 31.0 |
| 9 | Thoroughness? | 55260 | 4.27 | 0.89 | 5 | 99.4 | 1.1 | 0.6 | 1.0 | 49.9 |
| 10 | Physical examination of you? | 54567 | 4.23 | 0.88 | 4 | 99.4 | 2.3 | 0.6 | 0.9 | 46.0 |
| 11 | Offering you services for preventing diseases? | 45339 | 4.05 | 1.09 | 4 | 99.1 | 18.5 | 0.9 | 2.8 | 36.1 |
| Information and support (average inter-item correlation = 0.72, alpha = 0.91) | ||||||||||
| 12 | Explaining the purpose of tests and treatments? | 52692 | 4.20 | 0.86 | 4 | 99.6 | 5.9 | 0.4 | 0.7 | 41.4 |
| 13 | Telling you what you wanted to know about your symptoms and/or illness? | 53574 | 4.10 | 0.94 | 4 | 99.7 | 4.4 | 0.3 | 1.2 | 39.7 |
| 14 | Help in dealing with emotional problems related to your health status? | 43825 | 4.04 | 1.01 | 4 | 99.3 | 21.4 | 0.7 | 1.8 | 32.0 |
| 15 | Helping you understand the importance of following his or her advice? | 51870 | 4.16 | 0.84 | 4 | 99.4 | 7.2 | 0.6 | 0.6 | 37.5 |
| Organization of services (average inter-item correlation = 0.67, alpha = 0.80) | ||||||||||
| 16 | Knowing what she/he had done or told you during previous contacts? | 52404 | 4.05 | 0.96 | 4 | 99.6 | 6.4 | 0.4 | 1.5 | 37.0 |
| 17 | Preparing you for what to expect from specialist or hospital care? | 38895 | 3.97 | 0.98 | 4 | 99.2 | 30.0 | 0.8 | 1.3 | 25.1 |
| Accessibility (average inter-item correlation = 0.52, alpha = 0.86) | ||||||||||
| 18 | The helpfulness of the staff (other than the doctor)? | 53071 | 4.06 | 0.93 | 4 | 98.4 | 4.0 | 1.6 | 1.3 | 36.9 |
| 19 | Getting an appointment to suit you? | 55449 | 3.92 | 1.10 | 4 | 99.1 | 0.5 | 0.9 | 3.7 | 38.2 |
| 20 | Getting through to the practice on the phone? | 54522 | 3.40 | 1.23 | 3 | 98.9 | 1.9 | 1.1 | 9.3 | 22.1 |
| 21 | Being able to speak to the GP on the telephone? | 49547 | 3.56 | 1.20 | 4 | 98.9 | 10.8 | 1.1 | 6.3 | 24.1 |
| 22 | Waiting time in the waiting room? | 55407 | 3.49 | 1.02 | 3 | 99.1 | 0.6 | 0.9 | 4.4 | 17.7 |
| 23 | Providing quick services for urgent health problems? | 38168 | 4.22 | 0.94 | 4 | 98.6 | 30.7 | 1.4 | 1.1 | 33.8 |
Notes: Only questionnaires with at least 12 items answered were included. Each item began as follows: What is your opinion of the GP and/or general practice over the last 12 months with respect to …
1Based on answers on answers to the categories 1–5 and excluding “Not applicable/not relevant”.