Table 1.
Demographic and characteristic features and behavioral data for subjects.
| Controls (n = 18) |
Patients (n = 19) |
t | p | |
|---|---|---|---|---|
| Demographic data | ||||
| Sex (male/female) | 11/7 | 12/7 | 0.02b | 0.90 |
| Age (years) | 24.83 (3.88) | 25.84 (7.15) | − 0.53 | 0.60 |
| Education (years) | 14.61 (1.30) | 15.16 (3.82) | − 0.58 | 0.57 |
| IQ scorea | 111.11 (10.43) | 108.89 (13.21) | 0.56 | 0.58 |
| BIS | 15.94 (2.62) | 18.63 (3.77) | − 2.50 | 0.02 |
| BAS total score | 33.06 (7.76) | 30.79 (5.33) | 1.04 | 0.31 |
| BAS reward responsiveness | 13.44 (3.28) | 13.53 (2.37) | − 0.09 | 0.93 |
| BAS drive | 9.78 (2.62) | 8.89 (2.83) | 0.98 | 0.33 |
| BAS fun seeking | 9.83 (2.38) | 8.37 (2.67) | 1.76 | 0.09 |
| Clinical date | ||||
| BDI | 3.00 (4.56) | 15.79 (11.25) | − 4.48 | p < 0.01 |
| BAI | 4.33 (4.69) | 15.63 (14.99) | − 3.06 | p < 0.01 |
| Y-BOCS total score | 20.63 (6.58) | |||
| Y-BOCS obsession | 10.89 (4.31) | |||
| Y-BOCS compulsion | 9.74 (4.33) | |||
| Age of onset (years) | 18.00 (6.76) | |||
| Duration of illness (years) | 7.82 (5.57) | |||
| Behavioral data | ||||
| Total earnings (in won) | 28611.11 (2913.23) | 28631.58 (2832.56) | − 0.02 | 0.98 |
| Reaction time (ms overall) | 230.05 (18.91) | 227.19 (41.27) | 0.27 | 0.79 |
| Hit rate (% overall) | 58.40 (2.86) | 58.25 (1.7) | 0.20 | 0.85 |
| VAS effort for gain (1–10) | 8.26 (1.31) | 8.62 (1.07) | − 0.92 | 0.37 |
| VAS effort to avoid loss (1–10) | 8.82 (0.84) | 8.35 (1.33) | 1.25 | 0.22 |
Abbreviations: IQ, Intelligence Quotient; BIS, Behavioral Inhibition System; BAS, Behavioral Activation System; BDI, Beck Depression Inventory; BAI, Beck Anxiety Inventory; Y-BOCS, Yale–Brown Obsessive Compulsive Scale; VAS, Visual Analog Scale.
Values are presented as mean (SD). Independent sample t-test was used.
a
Estimated by Korean–Wechsler Adult Intelligence Scale-Revised (K-WAIS-R).
b
χ2 test was used.