Table 1

Sociodemographic characteristics of healthy controls (HC) and healthy controls with family history of psychosis (HC-FHP)
HC HC-FHP
N 82 14
Age(years)
Mean 15.06 15.86
Standard deviation 2.03 1.23
Median 16 16
U Mann Whitney 460
z −1.214
p 0.225
Gender
Frequency (male) 52 (63.41%) 8 (57.14%)
Chi-square 0.201
p 0.654
Parental SES
1 (highest) 8 1
2 18 4
3 24 3
4 10 0
5 22 6
p (Fisher) 0.589
Parental occupational category
1(lowest) 2 1
2 9 2
3 24 5
4 9 0
5 10 0
6 8 0
7 3 0
8 11 4
9 6 2
p (Fisher) 0.347
Tobacco use
Frequency (smokers) 4 (49%) 2 (14,3%)
p (Fisher) 0.210

Gonzalez-Pinto et al.

Gonzalez-Pinto et al. BMC Psychiatry 2012 12:200   doi:10.1186/1471-244X-12-200

Open Data