Blood pressure ≤150/90 mmHg (n = 7456)
Clinical indicatorβSE(β)
Characteristic
 Intercept76.1970.508
Area
 Density (people per hectare 2001)–0.1550.130
 Index of Multiple Deprivation–0.312b0.112
Patients
 ≥65 years of age–0.455b0.158
 % Member of racial or ethnic minority–0.2750.151
Disease prevalence
 Unadjusted prevalence0.376b0.140
Practice
 Size of practice population–0.411c0.097
 List size per FTE GP–0.1320.105
 Single-handed practice0.986b0.343
 Primary medical services contract–0.449a0.184
GPs
 ≥45 years of age0.0360.104
 % Female GPs0.0050.098
 % GPs qualified in UK0.1670.131
Exception reporting
 Hypertension blood pressure recorded0.401c0.102
 Hypertension blood pressure ≤150/90 mmHg0.981c0.140
Practice nurses
 List size per FTE practice nurse (quintiles)
  1st ≤3038.01–0.5480.535
  2nd 3038.02–3901.48–0.4590.542
  3rd 3901.49–4823.44–0.3030.523
  4th 4823.45–6210.68–0.4400.555
  5th ≥6210.69–0.4900.559
  No practice nurse0.000
Global test for effect of nurse staffing –2 log likelihood (IGLS)
 Model without practice nurse variable51490.410
 Model with practice nurse variable51488.852
 Difference in log likelihood (5df)1.558
P-value0.91
Variance
 PCT level3.4360.451
 Practice level44.3711.038
  • df = degrees of freedom. FTE = full-time equivalent. SE = standard error..

  • a P<0.05;

  • b P<0.01;

  • c P<0.001.