Active psychosis and other clinical variables during early phases of the illness in first-episode psychosis on functional outcome in the PAFIP 10-year follow-up study.

We present data concerning the clinical and sociodemographic characteristics of a sample of drug-naïve patients with a first episode of non-affective psychosis. The dataset was obtained from a 3-year longitudinal intervention program as part of an ongoing 10-year epidemiological study.