Types of interventions
1. All didactic interventions of psychoeducation or patient teach-
ing involving individuals or groups were included. Psychoeduca-
tional interventions were defined as any group or individual pro-
gramme involving interaction between information provider and
patient. These programmes address the illness fromamultidimen-
sional viewpoint, including familial, social, biological and phar-
macological perspectives. Patients are provided with support, in-
formation and management strategies. Programmes of 10 sessions
or less were considered as ’brief ’, and 11 or more as ’standard’ for
the purposes of this review.