Haber 1993

Methods	Randomised controlled trial with two groups.
Participants	Country: USA. Setting: speciality. Health problem: healthy diet. Recruitment: adverts. Participants: adults over the age of 55 (n=64).
Interventions	Contract features: Form: NA; Parties: NA; Incentives: none; Co‐interventions: yes. Experimental group: health education sessions plus peer group support sessions where behaviour changes were agreed through group discussion and participants signed a contract to undertake these changes. Control group: received health education classes only.
Outcomes	Change in consumption of salt, sweets, fat and fibre. Practising of relaxation techniques and body movements.
Notes
Risk of bias
Item	Authors' judgement	Description
Allocation concealment?	Unclear	B ‐ Unclear