Table 4.
Parents’ mean scores (and standard deviations) on the PSS and effect sizes (Cohen’s d) for group comparisons
| Group | Overall score | Parental rewards | Parental stressors | Lack of control | Parental satisfaction | |
|---|---|---|---|---|---|---|
| M (SD) | Cohen’s d | M(SD) | M(SD) | M(SD) | M(SD) | |
| Mothers | ||||||
| NSSI (n = 36) | 41.95 (9.13) | 10.33 (3.06) | 17.92 (6.37) | 4.94 (1.84) | 6.67 (1.80) | |
| CC (n = 22) | 36.73 (7.98) | 9.36 (3.06) | 16.18 (4.24) | 4.32 (1.49) | 5.41 (1.40) | |
| NC (n = 34) | 34.93 (8.54) | 8.88 (2.97) | 15.37 (4.59) | 4.44 (1.78) | 4.38 (1.84) | |
| NSSI vs. CC | 0.61 | |||||
| NSSI vs. NC | 0.80 | |||||
| CC vs. NC | 0.22 | |||||
| Fathers | ||||||
| NSSI (n = 9) | 42.50 (8.73) | 11.00 (1.69) | 17.50 (5.04) | 5.75 (2.43) | 6.00 (1.60) | |
| CC (n = 5) | 37.60 (5.98) | 8.80 (5.17) | 16.40 (3.78) | 4.80 (0.84) | 5.80 (0.84) | |
| NC (n = 10) | 35.90 (6.71) | 10.70 (2.31) | 14.70 (3.02) | 4.60 (1.65) | 4.40 (1.43) | |
| NSSI vs. CC | 0.67 | |||||
| NSSI vs. NC | 0.90 | |||||
| CC vs. NC | 0.28 | |||||
PSS Parental Stress Scale; NSSI Adolescents with nonsuicidal self-injury; CC clinical controls (adolescents with other mental disorders); NC nonclinical controls (adolescents without mental disorders)