A cluster randomised trial of educational messages to improve the primary care of diabetes

Table 2 Pre-intervention characteristics of intervention and control groups.

Trial intervention	Pre-intervention characteristics	Intervention group	Control group
Glycaemic control	Practice factors
	Number	18	16
	Median number of partners	4.5	4
	Mean (SD) list size	7,082 (3150)	8,170 (7071)
	Patient factors
	Mean (SD) number in practice	196 (108)	205 (120)
	Mean age (years, SD)	65 (14)	63 (14)
	Proportion men (%)	52	53
	Mean (last recorded) HbA1c (SD)	7.4 (1.4)	7.4 (1.4)
Cholesterol control	Practice factors
	Number	18	16
	Median number of partners	4	4
	Mean (SD) list size	7,455 (7049)	7,775 (2890)
	Patient factors
	Mean (SD) number in practice	188 (109)	213 (117)
	Mean age (years, SD)	64 (14)	64 (14)
	Proportion men (%)	52	53
	Mean (last recorded) cholesterol (mmol/l)	4.7 (1.2)	4.5 (1.1)
Blood pressure control	Practice factors
	Number	17	17
	Median number of partners	5	4
	Mean (SD) list size	7,433 (3085)	8,117 (6971)
	Patient factors
	Mean (SD) number in practice	239 (128)	200 (116)
	Mean age (years, SD)	65 (14)	63 (14)
	Proportion men (%)	53	53
	Mean (last recorded) systolic BP (mmHg)	145	147
	Mean (last recorded) diastolic BP (mmHg)	80	80
Foot examination	Practice factors
	Number	17	17
	Median number of partners	4	4
	Mean (SD) list size	7,449 (3188)	8,133 (7015)
	Patient factors
	Mean (SD) number in practice	223 (105)	218 (139)
	Mean age (years, SD)	64 (14)	64 (14)
	Proportion men (%)	51	54
	Proportion with a recorded foot inspection in the previous 15 months (%)	2536 (69)	2761 (78)

ISSN: 1748-5908