Pieber 1995.

Methods	CBA Characteristics of studies using second site as control: NOT DONE Follow up: ‐ providers: DONE ‐ patients: DONE Blinded assessment: DONE Baseline: DONE Reliable outcomes: DONE Protection against contamination: DONE unit of analysis error
Participants	General practices in a rural area in Austria. Patients with type 2 diabetes attending the general practices were included (Type 2 diabetes) providers ‐ 14 GPs patients ‐ 94 practices ‐ 14
Interventions	Intervention group: Professional intervention (distribution of educational materials + educational meetings plus) + patient education by GPs and office staff Length of intervention: 6 months
Outcomes	PROCESS: NONE PATIENT: HbA1c Cholesterol Triglycerides BMI Body weight Systolic blood pressure Diastolic blood pressure Treatment without OHG Daily dosage of OHG (tablets per patient per day) Treatment with sulphonylurea (tablets per patient per day) Foot care: Callus formation: Interdigital cracks, interdigital Margins of the toenails were cut back, or ingrown toe nails were cut out.
Notes	A Diabetes Treatment and Teaching Programme was used developed and evaluated in Germany ‐directed at treatment and education ‐targets: metabolic control and risk factors including foot status
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	D ‐ Not used