Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Adherence to treatment
Systematic review	163 people Data from 1 RCT	Adherence (measured on a continuous scale of "medication concordance") 1 year with brief group psychoeducational intervention with usual care Absolute results not reported	WMD –0.40 95% CI –0.62 to –0.18	Effect size not calculated	brief group psychoeducational intervention
Systematic review	82 people Data from 1 RCT	Compliance with medication 18 months 7/41 (17%) with standard-length group psychoeducational intervention 2/41 (5%) with usual care	RR 3.50 95% CI 0.77 to 15.85 P = 0.1		Not significant
Systematic review	82 people Data from 1 RCT	Adherence (measured on a continuous scale of "medication concordance") 1 year with brief individual psychoeducation with usual care Absolute results not reported	Reported as not significant P value not reported		Not significant
Systematic review	89 non-acute inpatients, two-thirds experiencing first admission Data from 1 RCT	Hedges' g effect size for medication adherence 26 weeks with individual psychoeducation for patients and family with usual care Absolute results not reported	Effect size +0.26 95% CI –0.15 to +0.68		Not significant
RCT	107 people with schizophrenia	Proportion of people showing "good compliance" to their pharmaceutical regimen (by pill count) 6 months 16/39 (41%) with individual psychoeducational programme 26/47 (55%) with usual care	P >0.05		Not significant
RCT	50 people; 40 with schizophrenia and 10 with schizoaffective or schizophreniform disorder	Percentage of people with good adherence to oral and depot antipsychotic medication 2 years 67% with integrated treatment 70% with standard treatment Absolute numbers not reported	Reported as not significant P value not reported		Not significant
RCT	50 people; 40 with schizophrenia and 10 with schizoaffective or schizophreniform disorder	Percentage of people with good adherence to oral antipsychotic medication 2 years 57% with integrated treatment 55% with standard treatment Absolute numbers not reported	Reported as not significant P value not reported		Not significant