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Participants’ characteristics
| Placebo | VPA | |
|---|---|---|
| Sex (female/male) | 23/3 | 20/2 |
| Comorbid specific phobia (y/n) | 11/15 | 8/14 |
| DSM-IV diagnoses (animal type: spider) at follow-up (y/n) | 19/7 | 14/8 |
| Age (SD) | 24.42 (4.44) | 24.41 (4.33) |
| Body mass index (SD) | 24.05 (3.88) | 23.31 (3.18) |
