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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

 No.Percent
Age (by years)
 18–< 2067.0%
 20–293338.4%
 30–392630.2%
 40–491618.6%
 50–5955.8%
Marital status
 Single6373.3%
 Married2326.7%
Educational level
 High55.8%
 Middle3034.9%
 Illiterate5159.3%
Working
 No work6373.3%
 Working2326.7%
Type of work
 No work3743.0%
 Manual worker3945.3%
 Clerical work22.3%
 Driver33.5%
 Accountant33.5%
 Lawyer11.2%
 Teacher11.2%