Table 2.
Associations between whether a practice is rated with population and practice characteristics.
| Independent variable | Practices that have been rated on NHS Choices | Practices that have not been rated on NHS Choices | Z statistic | P value |
| Practice population size (Number of registered patients) |
7587 | 5554 | 15.38 | <.001 |
| IMD score of patients (higher is more deprived) |
25.1 | 28.2 | -7.82 | <.001 |
| Population density (people/km2) |
458 | 403 | 6.72 | <.001 |
| Singlehander (% of practices which are singlehanders) |
10 | 20.7 | -4.50 | <.001 |
| Percentage of population aged over 65 years | 15.1 | 15.6 | -3.88 | <.001 |
| Percentage of population who are white | 87.3 | 88.3 | -1.58 | .11 |
| Type of contract (% with PMS contract) |
42.7 | 39.6 | -0.71 | .48 |
| Training practice (% that are training practices) |
32.3 | 22.0 | 0.35 | .73 |