Table 7.

Cross-tabulation of different NSSI frequency patterns in adolescence and young adulthood

NSSI frequency pattern in adolescence	NSSI frequency in adulthood
	No NSSI at T3 (N = 389)	Infrequent NSSI at T3 (N = 39)	Repetitive NSSI at T3 (N = 47)
No NSSI (n = 225)	208/225 (92.4%)	6/225 (2.7%)	11/225 (4.9%)
Infrequent NSSI (n = 125)	98/125 (78.4%)	16/125 (12.8%)	11/125 (8.8%)
Unstable repetitive NSSI (n = 72)	57/72 (79.2%)	9/72 (12.5%)	6/72 (8.3%)
Stable repetitive NSSI (n = 53)	26/53 (49.1%)	8/53 (15.1%)	19/53 (35.8%)

NSSI = non-suicidal self-injury. Values are numerators/denominators (%)