Table 2.
Frequency and percentage of Deliberate Self-Harm Inventory (DSHI) items engaged in by the two non-suicidal self-injury groups (n = 161).
| Self-Harm Behavior | Moderate NSSI n = 69 |
Severe NSSI n = 92 |
χ2 (1) | Cramer’s V | |
|---|---|---|---|---|---|
| 1. | Cut wrist, arms, or other area(s) of body | 57 (82.61) | 77 (83.70) | 0.03 | 0.01 |
| 2. | Burned with a cigarette | 1 (1.44) | 20 (21.73) | 14.31 ** | 0.30 |
| 3. | Burned with a lighter or a match | 1 (1.44) | 7 (7.60) | 3.17 | 0.14 |
| 4. | Carved words into skin | 16 (23.19) | 49(53.26) | 14.81 ** | 0.30 |
| 5. | Carved pictures, designs, or other marks into skin | 9 (13.04) | 40 (43.47) | 17.25 *** | 0.33 |
| 6. | Severely scratched resulting in scarring or bleeding | 16 (23.19) | 63 (68.48) | 32.36 *** | 0.45 |
| 7. | Bit to the extent of breaking the skin | 13 (18.84) | 41 (44.57) | 11.71 *** | 0.27 |
| 8. | Dripped acid onto skin | 0 (0) | 2 (2.17) | 1.52 | 0.10 |
| 9. | Rubbed sandpaper on the body | 0 (0) | 7 (7.60) | 5.49 * | 0.19 |
| 10. | Used bleach, comet, or oven cleaner to scrub skin | 0 (0) | 3 (3.26) | 2.29 | 0.12 |
| 11. | Stuck sharp objects such as needles, pins, and staples into skin | 4 (5.80) | 29 (31.52) | 16.01 *** | 0.32 |
| 12. | Rubbed glass into skin | 3 (4.35) | 30 (32.61) | 19.33 *** | 0.35 |
| 13. | Broken bones | 0 (0) | 9 (9.78) | 7.15 * | 0.21 |
| 14. | Banged head against something to cause a bruise | 3 (4.35) | 21 (22.82) | 10.61 ** | 0.26 |
| 15. | Punched to cause a bruise to appear | 3 (4.35) | 29 (31.52) | 18.28 *** | 0.34 |
| 16. | Prevented wounds from healing | 8 (11.59) | 46 (50.0) | 26.09 *** | 0.40 |
* p < 0.05, ** p < 0.01, *** p < 0.001.