Table 1 Sample characteristics of study samples
Sample 1: Chinese famine | Sample 2: Case-control blood | Sample 3: Case-control brain | Sample 4: Fibroblasts | |||||
|---|---|---|---|---|---|---|---|---|
Schizophrenia | Controls | Schizophrenia | Controls | Schizophrenia | Controls | Schizophrenia | Controls | |
N | 74 | 79 | 15 | 49 | 91 | 123 | 5 | 5 |
Male (%) | 46 (62%) | 31 (39%) | 9 (60%) | 4 (14%) | 55% | 67% | 3 (60%) | 2 (40%) |
Mean age (sd) | 47.3 (0.7) | 47.9 (0.8) | 40.1 (13.8) | 35.9 (17.0) | 52.6 (5.2) | 45.9 (16.8) | 39.0 (10.3) | 36.5 (6.5) |
Famine exposure (%) | 23 (31%) | 25 (32%) | – | – | – | – | In vitro | In vitro |
Tissue source | Blood | Blood | Brain (DLPFC) | Fibroblast culture | ||||
Methylation | 450K BeadChip array | 450K BeadChip array | 450K BeadChip array | EPIC BeadChip array | ||||
Reference workflow | – | – | Jaffe et al.4 | – | ||||