Setting and target population Sample Clauses

Setting and target population. ‌ The study setting was five south London boroughs (Lambeth, Southwark, Lewisham, Wandsworth, and Bexley). The study population was patients with poorly controlled T2D at large urban primary care surgeries (≥6000 patients). Surgeries were invited to participate if they had a nurse providing diabetes care. Twenty-three surgeries chose to participate. In phase one the inclusion criteria were a diagnosis of type 2 diabetes mellitus based on WHO clinical criteria, defined as the presence of the disease for at least one year during which time it was managed by diet or oral medication with no requirement for insulin therapy; age 18-79 years; presence of diabetes for at least two years; persistent suboptimal glycaemic control, defined by HbA1c ≥ 69.4 mmol/mol on two occasions, once in previous 18 months and again when being assessed for eligibility; prescription of two oral diabetes medications (metformin and one other), and/or requirement of insulin therapy. In phase two, the inclusion criterium for glycated haemoglobin was lowered to HbA1c ≥ 64 mmol/mol. In phase one the exclusion criteria were severe mental disorders; terminal illness and severe end-stage diabetes complications; morbid obesity (BMI > 40 kg/m2); being