Availability and structure of primary medical care services and population health and health care indicators in England

Table 2 Indicators of structure and distribution of primary medical services and their correlations with GP supply, deprivation and mortality.

	Median (interquartile range)	Correlation with:
		GP supply^a,b	Townsend score^a,b	All-cause mortality^a,b,c
*Supply of services*
GP supply (wte per 10,000 weighted population)	5.8 (5.2 to 6.3)	-	-0.47	-0.68
*Characteristics of registered patients*
Rural patients (%)	4.82 (0.23 to 14.19)	0.38	-0.59	-0.48
Patients ≥ 75 years (%)	7.27 (6.53 to 7.86)	0.10	-0.48	-0.41
*Structure of services*
Mean partnership size (partners)	3.07 (2.47 to 3.82)	0.53	-0.65	-0.57
Single handed practices (%)	30 (16 to 40)	-0.49	0.61	0.50
GPs aged ≥ 61 years (%)	4 (3 to 8)	-0.30	0.60	0.41
Practices with a female GP (%)	62 (53 to 73)	0.68	-0.49	-0.52
*Type of services*
Per cent of practices with:
Diabetes services	94 (90 to 98)	0.25	-0.51	-0.33
Child health surveillance services	93 (88 to 98)	0.13	-0.52	-0.35
Contraceptive services	95 (91 to 98)	0.37	-0.50	-0.44

^a figures are correlation coefficients ^b based on 99 observations, a correlation coefficient >0.33 gives a P value <0.001, and >0.20 gives P < 0.05, in a two tailed test ^c standardised mortality ratio for all cause mortality at ages 15 to 64 years GP, general practitioner; IQR, interquartile range; wte, whole time equivalent

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