Table 2. Demographic characteristics of parent and control groups.
| FS parent (n = 105) | SS parent (n = 207) | Control (n = 190) | Statistic | |
|---|---|---|---|---|
| Age, mean (SD), years | 45.71 (6.27) | 46.17 (6.37) | 44.98 (7.24) | F = 1.58,p = 0.21 | 
| Gender, M/F | 45/60 | 101/106 | 85/105 | χ2 = 1.19,p = 0.55 | 
| Education, mean (SD), years | 8.55 (3.11) | 9.19 (2.60) | 9.09 (3.04) | F = 1.81,p = 0.17 | 
FS parent, familial schizophrenia parent; SS parent, sporadic schizophrenia parent; M, male; F, female; SD, standard deviation; *p < 0.05, **p < 0.005.