Keane 1984

Methods	Randomised controlled trial with three groups.
Participants	Country: USA. Setting: Hospital (Veterans Administration Medical Center ‐ Alcohol Dependence Treatment Program). Health problem: addictions (alcohol). Recruitment: health system. Participants: men (n=25).
Interventions	Contract features: Form: written; Parties: tripartite; Incentives: other; Co‐interventions: yes. Group 1: Contracting and recording ‐ patients took their daily medication in front of a significant other and they both recorded, signed and dated it on a standard form. Group 2: Contracting and recording plus significant other given instructions for reinforcement. Group 3: Explanations in relation to disulfiram (Antabuse); phone calls to check on use and aid in resolving difficulties.
Outcomes	Participants who collected monthly prescriptions for disulfiram (Antabuse) for 3 months. Participants whose significant other reported disulfiram being taken daily at 3 months, percentage of aftercare sessions attended.
Notes
Risk of bias
Item	Authors' judgement	Description
Allocation concealment?	Unclear	B ‐ Unclear