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Table 1 Sample distribution according to demographic data (n = 86)

From: Study of attention measured by event-related potential as a predictive factor of violence among patients with schizophrenia and substance use disorder

Age (by years)
 18–< 2067.0%
Marital status
Educational level
 No work6373.3%
Type of work
 No work3743.0%
 Manual worker3945.3%
 Clerical work22.3%