Table 1.
Characteristics of skin-picking disorder (SPD) and control group
| Baseline |
||||
| Variable | SPD group (n =18) | Control group (n = 15) | t-test | P |
| Age, years: mean (s.d.) | 29.9 (9.7) | 32.9 (14.7) | 0.703 | 0.488 |
| Gender, female, n (%) | 18 (100) | 13 (86.7) | 0.199a | |
| White, n (%) | 17 (94.4) | 12 (80) | 0.308a | |
| Marital status, single, n (%) | 13 (72.2) | 10 (66.7) | 1.000a | |
| Education, n (%) | 0.283a | |||
| Less than a college degree | 7 (38.9) | 3 (20) | ||
| College degree or higher | 11 (61.1) | 12 (80) | ||
| Right handedness, n (%) | 15 (83.3) | 13 (86.7) | 1.000a | |
| Age at onset, years: mean (s.d.) | 11.3 (4.1) | – | ||
| Any lifetime psychiatric comorbidity, n (%) | 9 (50) | – | ||
| Yale Brown Obsessive Compulsive Scale Modified for Neurotic Excoriation, total score: mean (s.d.) |
21.9 (4.6) | – | ||
a.
Fisher's exact test.