O'Donnell 2003.

Methods	Allocation: 'table of random numbers', concealment: unclear. Blindness: patients and therapists not blind, assessors blind, although no details are given. Duration: 2 years. Setting: in hospital at start of study.
Participants	Diagnosis: schizophrenia (DSM‐III‐R) and IQ>80. N=56. Age: 18‐65, mean 32 years. Sex: 41 men, 15 women. History: 7 first episode schizophrenia.
Interventions	1. Compliance therapy: administered according to manual of Kemp and David, given over 5 sessions of 30‐60 minutes. N=28. 2. Non‐specific' counseling: delivered over 5 sessions of 30‐60 minutes duration. N=28.
Outcomes	Compliance: clinical interview. Attitudes to treatment: DAI. Insight: SAI. Mental state: PANSS. Level of functioning: GAF. Quality of life: QLS. Service use: bed occupancy.
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear

General abbreviations: 
 IQ ‐ Intelligence Quotient 
 N ‐ Number of people in the study

Diagnostic tools: 
 DSM‐III‐R ‐ Diagnostic and Statistical Manual of Diseases, third revision, revised.

Rating scales: 
 DAI ‐ Drug Attitude Inventory 
 SAI ‐ Schedule for the Assessment of Insight 
 PANSS ‐ Positive and Negative Syndrome Scale 
 GAF ‐ Global Assessment of Functioning 
 QLS ‐ Heinrich's Quality of Life Scale