Table 2

Demographic and clinical characteristics of subjects

Patients

Psychotic siblings

Non psychotic siblings

Comparison group

N

124

30

153

111

Age at evaluation, y, mean (SD), (min, max)

46.0 (7.3) (31.2 – 64.9)

44.4 (6.3) (32.0 – 61.0)

46.4 (8.8) (24.0 – 72.0)

50.3 (12.3) (30.3–78.0)

Sex of subjects, % male

81 65.3 %

16 53.3%

73 47.7%

56 50.5%

Education, y, mean (SD)

9.5 (2.3)

10.5 (2.1)

11.4 (3.0)

11.7 (4.0)

Ever had psychiatric treatment/medication

123 99.2 %

22 73.3 %

46 30.1 %

31 27.9%

Ever treated in psychiatric hospital

121 97.5%

9 30.0%

11 7.2%

4 3.6 %

Current psychiatric treatment/medication

117 94.4 %

13 43.3 %

19 12.4 %

16 14.4%

Current use of psychiatric medicine

117 94.4 %

13 43.3 %

19 12.4 %

12 10.8%

Antipsychotics

116 93.5 %

8 26.8 %

4 2.6 %

3 2.7%

Antidepressants

25 20.2 %

9 30.0 %

6 3.9 %

4 6.6%

Anxiolytics or sedatives

54 43.5 %

10 33.3 %

8 5.2 %

5 4.5%

GAF current (SD)

36.3 (11.3)

54.9 (11.8)

77.5 (12.5)

79.2 (12.9)

Arajärvi et al. BMC Psychiatry 2006 6:6   doi:10.1186/1471-244X-6-6