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Table 2 Demographic characteristics of first-episode psychosis patients and control groups

From: P300 cognitive assessment in patients with first-episode psychosis: a prospective case-control study

Demographic characteristicsSSD (n = 47)BP (n = 41)MDD (n = 20)Control (n = 50)P value
No%No%No%No%
Sex         
 Male2757.452458.546302550.0.745
 Female2042.551741.4614702550.0 
Marital status
 Single3063.822970.7310501836 
 Married1736.181024.3910503264%.002
 Divorced, widowed0024.880000 
Residence
 Rural3165.953073.173153468.587
 Urban1634.051126.8317851632
Education
 Illiterate, read and write2553.201229.268401734.001
 Basic education2042.552458.5412602142
 University/higher education24.25512.20001224 
Occupation
 Not working and house wife2144.691434.14157524 
 Non-skilled worker1021.271536.594201836.331
 Skilled worker817.02717.07151530
 Student48.51512.20001020 
 Employee48.510000510 
Mean age27.49 ± 10.724.68 ± 7.325.50 ± 6.732.10 ± 7.8.176
Range 17.4–37.6Range 17.5–31.6Range 19.2–31.4Range 25.5–39.4
  1. N.B non-skilled, manual worker/farmer. Basic education, from primary to secondary school