Sensitivity analysis I: alternate indicators of practice clinical quality
| Annual general practice referrals to the NHS DPP | |||||
| 1 | 2 | 3 | 4 | 5 | |
| Proportion of patients reporting good experience making an appointment† | 1.01 (0.98 to 1.04) | 1.01 (0.98 to 1.03) | 1.02 (0.99 to 1.05) | 1.01 (0.99 to 1.04) | 1.02 (0.99 to 1.04) |
| Log payment per patient† | 0.99 (0.97 to 1.02) | 1.00 (0.98 to 1.03) | 1.01 (0.98 to 1.03) | 1.01 (0.98 to 1.04) | 1.01 (0.98 to 1.04) |
| Proportion of QOF diabetes points achieved† | 1.11*** (1.08 to 1.14) | ||||
| Proportion of patients completed eight NICE diabetes care processes† | 1.10*** (1.07 to 1.14) | ||||
| Proportion of QOF clinical domain points achieved† | 1.08*** (1.06 to 1.11) | ||||
| Proportion of QOF public health domain points achieved† | 1.07*** (1.04 to 1.10) | ||||
| CQC rating: outstanding or good | 1.10** (1.03 to 1.17) | ||||
| Observations | 22 124 | 22 124 | 22 124 | 22 124 | 22 124 |
| Practices | 6871 | 6871 | 6871 | 6871 | 6871 |
| Log-likelihood | −190905.3 | −190923.1 | −190907.1 | −190917.1 | −190931.0 |
Poisson regressions with general practice random effects. Coefficients are incidence rate ratios.
*P<0.05; **p<0.01; ***p<0.001.
†Coefficients on these variables represent a 1 SD change in the explanatory variables. Column 1 represents the main model as presented in table 2. Columns 2–5 represent models including the same indicators of practice resources and accessibility, but alternate indicators for practice clinical quality. Models also include additional practice covariates: practice gender, age, deprivation and ethnicity compositions, practice rurality, type 2 diabetes prevalence, DPP wave, year and wave year interactions; 95% CIs in brackets.
CQC, Care Quality Commission; DPP, Diabetes Prevention Programme; NHS, National Health Service; NICE, National institute for health and care excellence; QOF, Quality and Outcomes Framework.