Table 1.
Descriptives for COMTval158met genotype groups.
| COMTval158met | Val/val and val/met | Met/met | X2 p-valuea | Mann-Whitney U-test p-value |
|---|---|---|---|---|
| N | 40 | 29 | ||
| sex (M/F) | 15/25 | 11/18 | 0.97 | - |
| mean age (SD) | 37.3 (10.9) | 32.7 (6.6) | - | 0.11 |
| age of onset (SEM) | 27.9 (10.7) | 25.3 (8.6) | - | 0.39 |
| duration of illness (SEM) | 9.8 (11.9) | 7.2 (6.4) | - | 0.80 |
| Depresssion (yes/no) | 9/31 | 1/28 | 0.03* | - |
| iCBT/gCBT | 14/26 | 17/12 | 0.052 | - |
| Number of modules | 6.93 (2.1) | 6.31 (2.8) | 0.30 | |
| Co-medicationb (yes/no) | 16/24 | 14/15 | 0.50 |
a: chi2 (df = 1)
b: any medication (including SSRI, Benzodiazepine, tricyclic antidepressants)
iCBT: internet-based CBT; gCBT: group CBT