Identification, eligibility assessment, and recruitment of patients with SMI
General practices collected data on patient diagnoses and medication prescriptions from their electronic medical records. A computer algorithm selected a random sample of 45 patients who met the inclusion criteria in each practice. This selection was stratified, and the lists were returned to the GP. Each sample of 45 patients contained three groups of 15 patients who fulfilled diagnostic criteria A, B, or C respectively. The GP was instructed to verify the diagnosis and assess patient eligibility. GPs were instructed to recruit a minimum of two patients from each diagnostic subgroup A, B, and C. A reimbursement limit of 15 patients per practice was used. Reimbursement was provided by the SOFIA study and is not a part of the custom Danish monetary compensation. GPs or practice staff contacted potentially eligible patients and obtained written informed consent.