• Michelle Richardson, Rose McCabe, and Stefan Priebe.
• Unit for Social and Community Psychiatry, Barts and the London School of Medicine, Queen Mary University of London, London, UK. michelle.richardson@pcmd.ac.uk
• Soc Psychiatry Psychiatr Epidemiol. 2013 Apr 1; 48 (4): 649-57.

BackgroundStudies have shown patient attitudes to be an important predictor for health related behaviours including medication adherence. It is less clear whether patient attitudes are also associated with medication adherence among patients with psychoses.MethodWe conducted a systematic review and meta analysis of the data of studies that tested the association of attitude measures with medication adherence among patients with psychoses. 14 studies conducted between 1980 and 2010 were included.ResultsResults show a small to moderate mean weighted effect size (r (+) = 0.25 and 0.26 for Pearson and Spearman correlations, respectively).ConclusionsTheory based interventions that target potentially modifiable attitude components are needed to assess the relationship between positive patient attitudes and adherence behaviours among patients with psychoses.

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