Class comparisons to a group of non-injurers.

Note: Means in the same row with different superscripts are significantly different at p<.001. Higher scores indicate greater daily hassles, greater difficulties with emotion regulation, greater depressive symptoms, higher self-esteem, greater social anxiety, greater behavioral inhibition, greater delinquency, greater friendship quality, greater parental attachment, greater parental criticism, greater parental psychological control, more lifetime suicidal ideation/attempts, greater past year suicidal ideation, greater disclosure about suicidal behavior, and more likely to make a future suicidal attempt.