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Table 1 Sociodemographic characteristics of the first psychotic episode patient sample and healthy controls

From: Plasma brain-derived neurotrophic factor levels, learning capacity and cognition in patients with first episode psychosis

 

Patients (n = 45)

Controls (n = 45)

χ 2

Pvalue

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

  1. Education: Primary (3–6 years), Obligatory (6–16 years), Secondary (16–18 years), University (18–23 years).
  2. SD Standard deviation.