Medication adherence in psychosis: predictors and impact on outcome. A 2-year follow-up of first-admitted subjects.

Objective: To assess the baseline characteristics predicting poor medication adherence following a first admission for psychosis, and the impact of poor medication adherence on outcome.

Method: First-admitted subjects with psychosis (n = 65) were assessed at 6-month intervals over a 2-year follow-up. Medication adherence was assessed using multiple sources of information.