Litzelman 1993

Methods	Randomised controlled trial with two groups.
Participants	Country: USA. Setting: PHC. Health problem: diabetes. Recruitment: health system. Participants: adults (n=395).
Interventions	Contract features: Form: written; Parties: patients‐practitioners; Incentives: none; Co‐interventions: yes. Experimental group: education sessions, individually‐negotiates foot care contracts and postal reminders about foot care. Control group: routine care.
Outcomes	Foot lesions at 1 year, and various foot care behaviours.
Notes
Risk of bias
Item	Authors' judgement	Description
Allocation concealment?	Unclear	B ‐ Unclear