Characteristic | Healthy volunteers (n = 30) | Patients (n = 30) | p value |
---|---|---|---|
Age, yr | 29.51 ± 7.2 | 29.46 ± 7.8 | NS |
Female, n (%) | 22 (73) | 22 (73) | NS |
Race, n | |||
White | 14 | 19 | NS |
Black | 4 | 6 | NS |
Asian | 8 | 2 | NS |
Hispanic/other | 4 | 3 | NS |
HH SES | 46.33 | 45.04 | NS |
WASI | 117.63 | 117.86 | NS |
GAD diagnosis, n (%) | — | 8 (27) | — |
SAD diagnosis, n (%) | — | 8 (27) | — |
Mixed diagnosis, n (%)† | — | 14 (47) | — |
LSAS (total) | 14.67 ± 13.3 | 70.79 ± 24 | < 0.001 |
STAI‡ | 24.57 ± 4.6 | 41.73 ± 8.2 | < 0.001 |
BAI | 1.23 ± 2.2 | 10.17 ± 7.6 | < 0.001 |
BAI = Beck Anxiety Inventory; GAD = generalized anxiety disorder; HH SES = Hollingshead Social Economic Status; LSAS = Liebowitz Social Anxiety Scale; NS = not significant; SAD = social anxiety disorder; STAI = StateTrait Anxiety Inventory; WASI = Wechsler Abbreviated Scale of Intelligence.
↵* Values are mean ± standard deviation unless otherwise indicated; t tests were 2sample, 2tailed, unequal variance.
↵† GAD + SAD or GAD + SAD + panic disorder (n = 2 for latter).
↵‡ Administered before scanning.