Table 1.
Between-group differences in variables related to sociodemographics, clinical severity, NSSI, and social media use.
| HC (N = 32) | NSSI (N = 27) | NSSI + BPD (N = 29) |
F/x2 test | Post-hoc comparison | |
|---|---|---|---|---|---|
| Sociodemographic | |||||
|
Age M (SD) |
22.9 (3.61) | 23.1 (2. 62) | 23.6 (2.78) | 0.41 | |
| Clinical Severity | |||||
|
Borderline Symptomatology M (SD) |
20.3 (10.5) | 39.8 (15.0) | 51.5 (10.8) | 50.62**** | NSSI + BPD > NSSI > HC |
|
Depression, Anxiety, and Stress Symptoms M (SD) |
13.6 (11.8) | 28.8 (12.8) | 37.4 (11.0) | 31.32**** | NSSI + BPD > NSSI > HC |
| NSSI Features | |||||
|
Use of Severe NSSI (e.g., Skin-Cutting) N (%) |
10 (37.04) | 15 (57.69) | 10.15* | NSSI + BPD > NSSI | |
|
Age of Onset M (SD) |
14.1 (2.59) | 13.3 (3.32) | 0.88 | ||
|
No. of methods M (SD) |
5.22 (2.69) | 6.16 (2.29) | 1.82 | ||
| Social media | |||||
|
Instagram Addiction M (SD) |
30.2 (8.12) | 33.4 (11.9) | 31.1 (7.52) | 0.87 | |
|
Weekly Social Media Use N (%) |
11.94 | ||||
| 5–10 h | 7 (21.9) | 5 (18.5) | 8 (28.1) | ||
| 11–20 h | 9 (28.1) | 10 (37.0) | 4 (14.3) | ||
| 21–30 h | 4 (12.5) | 3 (11.1) | 8 (28.6) | ||
| 31–40 h | 3 (9.4) | 1 (3.7) | 2 (7.1) | ||
| >40 h | 0 (0.0) | 2 (7.4) | 0 (0.0) | ||
For severe use NSSI, data is missing from 3 BPD patients, therefore reported values are based on data from 26 out of the 29 patients that are included in the final sample. p ≤ 0.05*, p <0.01**, p <0.001***, p <0.0001****.