| Characteristic |
| Intercept | 73.551 | 1.051 |
|
| Area |
| Density (people per hectare 2001) | –0.265 | 0.230 |
| Index of Multiple Deprivation | –3.643c | 0.255 |
|
| Patients |
| ≥65 years of age | 2.140c | 0.254 |
| % Member of racial or ethnic minority | –1.055c | 0.308 |
|
| Disease prevalence |
| Unadjusted prevalence | –1.570c | 0.273 |
|
| Practice |
| Size of practice population | –0.160 | 0.192 |
| List size per FTE GP | 0.032 | 0.091 |
| Single-handed practice | 1.600a | 0.714 |
| Primary medical services contract | –0.690 | 0.367 |
|
| GPs |
| ≥45 years of age | –0.264 | 0.202 |
| % Female GPs | 0.649c | 0.190 |
| % GPs qualified in UK | 0.888b | 0.287 |
|
| Exception reporting |
| Convulsion free for 12 months | 6.040c | 0.252 |
|
| Practice nurses | | |
| List size per FTE practice nurse (quintiles) |
| 1st ≤3038.01 | –2.364a | 1.120 |
| 2nd 3038.02–3901.48 | –1.609 | 1.054 |
| 3rd 3901.49–4823.44 | –2.312a | 1.036 |
| 4th 4823.45–6210.68 | –1.609 | 1.088 |
| 5th ≥6210.69 | –2.107a | 1.092 |
| No practice nurse | 0.000 | |
|
| Global test for effect of nurse staffing –2 log likelihood (IGLS) |
| Model without practice nurse variable | 60878.023 |
| Model with practice nurse variable | 60869.984 |
| Difference in log likelihood (5df) | 8.039 |
| P-value | 0.15 |
|
| Variance |
| PCT level | 7.614 | 1.221 |
| Practice level | 150.811 | 4.599 |