Design: Non-pharmacological randomised clinical trial. Setting: Acute Geriatric Unit, Albacete, Spain. Participants: The trial included 400 patients admitted consecutively over 6 months to an acute geriatric unit for acute illness or exacerbation of a chronic medical condition. Participants were randomised to the occupational therapy intervention or conventional treatment model group; 198 patients received occupational therapy. All patients completed the study. The mean age was 83.5, and 56.8% were women.