Table 5.

Sensitivity analyses

	IRR (95% CI)	P value
IMD
1 (least deprived)	Reference
2	1.05 (1.00 to 1.10)	0.063
3	1.06 (1.01 to 1.12)	0.012
4	1.06 (1.01 to 1.12)	0.013
5 (most deprived)	1.08 (1.02 to 1.13)	0.004
Proportion of salaried GPs	1.69 (1.59 to 1.79)	0.000
FTE per 1000 patients ratio	0.84 (0.78 to 0.90)	0.000
2015	Reference
2016	0.99 (0.95 to 1.05)	0.845
2017	1.03 (0.98 to 1.09)	0.215
2018	1.12 (1.07 to 1.18)	0.000
2019	0.98 (0.93 to 1.03)	0.504

Predictors of GPs turnover restricting the time-window to 2015–2019 and adding ‘proportion of salaried GPs’ and ‘FTE per 1000 patients ratio’ to the model.

FTE, full-time-equivalent; GP, general practitioner; IMD, Index of Multiple Deprivation; IRR, incidence rate ratios.