Table 1.

Questions used in the screening for the assessment of NSSI and NSSI-images

Assessment in the screening
NSSI	“Have you self-injured on purpose (e.g. by cutting, burning, stinging, beating, chafing) five times or more over the course of the past 12 months without an intention to die?”
NSSI-images	“Have you previously experienced any mental images that are for you related to NSSI? How frequently have you experienced those lately? E.g., once a week.”