Estimates of rate ratios (RR) from multi-level regression (Poisson) model for the association between introduction of named GP and the number of emergency hospital admissions, England 2012 to 2016 (38 500 observations)
| Unadjusted model | Adjusted model 1* | Adjusted model 2 | |||||||
| RR | P value | 95% CI | RR | P value | 95% CI | RR | P value | 95% CI | |
| Period (ref.=pre) | 1.249 | <0.001 | 1.170 to 1.332 | 1.178 | <0.001 | 1.103 to 1.259 | 1.171 | <0.001 | 1.097 to 1.250 |
| Age (ref.=75-) | 1.821 | <0.001 | 1.687 to 1956 | 1.571 | <0.001 | 1.462 to 1.690 | 1.372 | <0.001 | 1.280 to 1.470 |
| Period* Age | 1.146 | 0.001 | 1.055 to 1.245 | 1.143 | 0.001 | 1.052 to 1.242 | 1.120 | 0.007 | 1.031 to 1.215 |
*Covariates set to average: gender, number of chronic conditions, level of deprivation (quintiles), number of GPs in practice (quartiles) and urban/rural practice location. For complete table, see online supplementary table 4.
†Included also standardised covariates: number of GP consultations (quartiles) and continuity of care (Bice & Boxerman index-score, quartiles).
GP, general practitioner.