Table 3.

The influence of the number of FTE GPs and of GP practices on emergency hospital admissions in deprived and relatively prosperous areasa

Deprived LSOAsMost deprived LSOAsLess deprived LSOAsLeast deprived LSOAs
IMD Ranks 8, 9, and 10IMD Ranks 9 and 10IMD Ranks 1, 2, and 3IMD Ranks 1 and 2
2SLS2SLS2SLS2SLS
Coef.95% CIP-valueCoef.95% CIP-valueCoef.95% CIP-valueCoef.95% CIP-value
Female popn (%)0.7640.438 to 0.939<0.0010.8050.480 to 1.131<0.0010.6170.348 to 0.792<0.0010.6130.333 to 0.894<0.001
% change2.032.161.651.65
Female popn +60 (%)2.1071.762 to 2.561<0.0012.1881.679 to 2.698<0.0011.5761.234 to 1.815<0.0011.4791.143 to 1.814<0.001
% change9.9810.337.466.97
Male popn +65 (%)2.7051.762 to 2.861<0.0012.8892.249 to 3.528<0.0011.5471.077 to 1.798<0.0011.4060.939 to 1.874<0.001
% change7.978.124.544.06
Black ethnicity (%)1.9621.049 to 2.407<0.0011.5220.691 to 2.353<0.0010.056−2.135 to 0.9410.446−0.2862.422 to 1.8500.793
% change8.574.95nana
Asian ethnicity (%)1.0391.595 to 2.1800.081.9061.087 to 2.725<0.001−1.885−2.742 to −0.974<0.001−1.765−2.913 to −0.617<0.001
% changena12.58−11.84−11.22
PCT revenue per head−0.093−1.368 to 0.9590.730.349−0.995 to 1.6930.611−0.761−1.874 to 0.9150.014−1.096−2.253 to 0.061<0.01
% changenanana−0.436
GPs’ density PCT per 1K popn−12.812−18.526 to −0.054<0.01−12.678−23.529 to −1.827<0.053.663−4.003 to 9.8320.409−2.564−10.880 to 5.7530.546
% change−10.76−10.24nana
General practices’ density PCT per 1K popn68.401−2.924 to 111.8500.06362.903−3.949 to 129.755<0.01−8.965−34.961 to 40.8890.878−13.25−59.872 to 33.3720.578
% change25.9924.34nana
Observations, N89 76250 16089 76250 160
  • a Robust and cluster standard errors at PCT. Year, LSOA, urban/rural, deprivation, and prevalence disease fixed effects are included. 2SLS = two-stage least square. CI = confidence interval. coef. = coefficient. IMD = Index of Multiple Deprivation. FTE = full-time equivalent. LSOA = Lower Super Output Area. na = not applicable. PCT = primary care trust.

  • popn = population.