Table 7.

Effect of deprivation on cost with different morbidity measures.

Model	Model $R_{COR}^2$	Proportionate difference in cost between 10th and 1st deprivation decile	95% CI
Age/gender, deprivation, practice (Model 4)	0.14	1.50	[1.40,1.60]
Model 4 + QOF indicators	0.25	1.19	[1.12,1.27]
Model 4 + QOF count	0.29	1.20	[1.13,1.28]
Model 4 + Charlson indicators	0.22	1.33	[1.24,1.41]
Model 4 + Charlson Index	0.23	1.34	[1.26,1.43]
Model 4 + EDC indicators	0.29	1.15	[1.09,1.23]
Model 4 + EDC count	0.32	1.22	[1.15,1.29]
Model 4 + ACG categories	0.27	1.33	[1.25,1.42]
Model 4 + RUB	0.24	1.38	[1.30,1.47]

Notes. All models are estimated as GLM log link, Poisson. OLS results are similar.