Table 1.
Characteristics of study participants and go/nogo task performance
| P+CSO | P‐CSO | HC | Statistics (P‐value) | |
|---|---|---|---|---|
| Characteristics | ||||
| Age, M(SD), range | 38.25 (8.54), 20–53 | 37.00 (8.84), 23–57 | 36.65 (10.13), 20–57 | F 2,114 = 0.32 (0.718) |
| hetero‐/homosexual | 22/18 | 27/10 | 26/14 | X2 2,114 = 2.72 (0.257) |
| EHI Index M(SD) | 67.25 (49.27) | 60.68 (55.10) | 69.75 (51.13) | X2 2,114 = 0.31 (0.733) |
| WAIS IQ estimates (SD) | 98 (18.87) | 105 (16.65) | 106 (18.22) | F 2,114 = 2.25 (0.110) |
| CPC lifetime | 31 (77.5%) | 25 (67.5%) | / | X2 1,75 = 0.96 (0.328) |
| Exclusive/non‐exclusive type | 17/23 | 10/27 | / | X2 1,75 = 2.02 (0.155) |
| Victims age, M(SD) | 10.04 (2.74) | / | / | / |
| DSM‐IV mental disorders (lifetime) | 25 | 18 | 11 | X2 2,114 = 9.99 (0.007)* |
| Depression | 17 | 15 | 3 | X2 2,114 = 14.60 (<0.001)** |
| Anxiety disorder | 7 | 8 | 6 | X2 2,114 = 0.58 (0.748) |
| Substance use disorder | 10 | 4 | 1 | X2 2,114 = 9.25 (0.010)* |
| Eating disorder | 2 | 0 | 0 | X2 2,114 = 3.92 (0.141) |
| Somatoform disorder | 1 | 3 | 0 | X2 2,114 = 3.98 (0.137) |
| Dissociative disorder | 0 | 0 | 1 | X2 2,114 = 1.94 (0.379) |
| Adaption disorder | 0 | 1 | 0 | X2 2,114 = 2.18 (0.336) |
| DSM‐IV personality disorders | 17 | 13 | 1 | X2 2,114 = 18.99 (<0.001)** |
| Antisocial PD | 3 | 0 | 0 | X2 2,114 = 5.92 (0.052)* |
| Avoidant PD | 7 | 7 | 0 | X2 2,114 = 8.30 (0.016) |
| Borderline PD | 4 | 0 | 0 | X2 2,114 = 8.00 (0.019) |
| Obsessive‐compulsive PD | 2 | 6 | 1 | X2 2,114 = 5.73 (0.057) |
| Narcissistic PD | 2 | 0 | 0 | X2 2,114 = 3.91 (0.141) |
| Paranoid PD | 1 | 0 | 0 | X2 2,114 = 1.94 (0.379) |
| Conduct disorder | 0 | 1 | 1 | X2 2,114 = 1.06 (0.588) |
| Go/nogo task performance | ||||
| RT Alertness, M(SD) | 252.50 (24.43) | 257.54 (35.71) | 257.53 (29.92) | F 2,110 = 0.63 (0.533) |
| RT Go, M(SD) | 393.04 (52.20) | 385.01 (52.63) | 383.83 (57.97) | F 2,113 = 0.18 (0.982) |
| Commission errors nogo, M(SD) | 7.78 (5.16) | 5.56 (2.90) | 7.4 (4.16) | F 2,111 = 3.25 (0.042)* |
| RT commission errors nogo, M(SD) | 327.66 (42.81) | 323.98 (43.36) | 335.39 (64.92) | F 2,114 = 0.75 (0.474) |
| RT post‐error slowing, M(SD) | 58.29 (61.67) | 50.99 (58.41) | 36.98 (71.23) | F 2,113 = 0.53 (0.592) |
| d‐prime, M(SD) | 2.94 (.83) | 3.09 (.69) | 2.88 (.71) | F 2,113 = 0.75 (0.476) |
Note: EHI = Edinburgh Handedness Inventory, WAIS = Wechsler Adult Intelligence Scale, CPC = child pornography consume, PD = personality disorder, RT = reaction time in milliseconds, P + CSO = pedophiles who engaged in child sexual abuse, P‐CSO = pedophiles who did not engage child sexual abuse, HC = healthy control group, * P < 0.05, ** P < 0.001.