Table 1

Sociodemographic characteristics of the first psychotic episode patient sample and healthy controls
Patients (n= 45) Controls (n= 45) χ2 P value
Age, median (SD) 24.3 (8.5) 24.0 (8.8) −0.146 0.884
Marital status, n (%)
Single 41 (91.1) 39 (86.7) 6.621 0.036
Married 1 (2.2) 6 (13.3)
Divorced 3 (6.7) 0 (0)
Years of education, n (%)
Primary 5 (11.1) 4 (8.9) 3.401 0.334
Obligatory 18 (40) 11 (24.4)
Secondary 16 (35.6) 24 (53.3)
University 6 (13.3) 6 (13.3)
Employment, n (%)
Student 14 (31.1) 27 (60) 13.425 0.004
Unemployed 14 (31.1) 5 (11.1)
Working 12 (26.7) 0 (0)
Sick leave 5 (11.1) 13 (28.9)
Diagnosis, n (%)
Schizophrenia 25 (55.6)
Affective disorder 12 (26.7)
Non specific psychosis 8 (17.8)
Drug use,n (%) yes
Tobacco 29 (64.4) 8 (17.8) 20.240 <0.001
Alcohol 30 (66.7) 16 (35.6) 8.715 0.003
Cannabis 22 (48.9) 3 (6.7) 19.994 <0.001
Other drugs 13 (28.9) 0 (0) 15.195 <0.001

Education: Primary (3–6 years), Obligatory (6–16 years), Secondary (16–18 years), University (18–23 years).

SD Standard deviation.

de Azua et al.

de Azua et al. BMC Psychiatry 2013 13:27   doi:10.1186/1471-244X-13-27

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