| Sum of squares | df | Mean square | F | Partial Eta Squared |
---|---|---|---|---|---|
Psychological characteristics | |||||
 BIS | 247.07 | 2 | 123.54 | 5.77** | .15 |
 BAS Drive | 42.35 | 2 | 21.18 | 3.42* | .09 |
 Negative life events | 415.64 | 2 | 207.82 | 7.20** | .19 |
 Psychological distress | 902.20 | 2 | 451.10 | 6.67** | .16 |
 Problem-solving coping | 2,510.51 | 2 | 1,255.25 | 5.98** | .15 |
 NSSI severity | 9.84 | 2 | 4.92 | 16.35*** | .27 |
Reasons for living | |||||
 Survival and coping beliefs | 335.94 | 2 | 167.97 | 14.27*** | .28 |