Table 4: Clinical data.

Non-PIU ()PIU () value value

Psychiatric main diagnosis4.560.10
 Externalizing disorder45 (8.9%)23 (15.6%)
 Internalizing disorder7 (57.0%)5 (71.9%)
 Eating disorder24 (30.4%)4 (12.5%)
History of suicide attempt11 (13.9%)15 (46.9%)13.78<0.001
Nonsuicidal self-injury (NSSI)30 (38.0%)15 (46.9%)0.750.39