Table 3.

Inter-informant Agreement

	Lifetime Presence	Past Year Presence	Past Week Presence
	κ (n)	κ (n)	κ (n)
Nonsuicidal Self-Injury	0.63 (99)	0.62 (99)	0.49 (99)
Suicide Ideation	0.59 (84)	.23 (75)	0.37 (75)
Suicide Plan: Method	0.42 (90)	.	.
Suicide Plan: Place	0.36 (86)	.	.
Suicide Plan: Time	0.31 (84)	.	.
Thinking of a Suicide Plan	.	0.40 (87)	−0.01 (87)
Suicide Gesture	0.01 (98)	.	.
Aborted Attempt	−.04 (94)	−0.03 (94)	.
Interrupted Attempt	−.03 (95)	−0.01 (95)	.
Suicide Attempt	0.37 (100)	.	.
Tempting Fate	0.13 (99)	.	.

Note. Cells with missing data reflect SITBs that were either not assessed or did not have a sufficient number of adolescents endorsing them to calculate agreement.