Table 3.

Assessment measures by study time point, respondent, and administration type.

Measure	Timepoint				Respondent	Administration
	BL	3mo	6mo	12mo		INT	SR a
Primary & Secondary Outcomes
Columbia Suicide Severity Rating Scale (C-SSRS)	X	X	X	X	Y	X	X b
Suicide Attempt Self-Injury Interview (SASII)	X	X	X	X	Y	X
Harkavy-Asnis Suicide Scale (HASS)	X	X	X	X	Y		X
Center for Epidemiologic Studies Depression Scale (CES-D)	X	X	X	X	Y		X
Mental & Behavioral Health
Alcohol Use Disorders Identification Test, Consumption Subscale (AUDIT-C)	X		X	X	Y		X
Brief Agitation Measure	X		X	X	Y		X
Drug Use Scale (DUS)	X	X	X	X	Y		X
Generalized Anxiety Disorder Scale (GAD-7)	X		X	X	Y		X
Impulsive Premeditated Aggression Scale (IPAS)	X		X	X	Y		X
Kiddie Schedule for Affective Disorder & Schizophrenia (KSADS)	X				Y	X
Patient Health Questionnaire – Depression (PHQ-9)	X	X	X	X	Y		X
Personality Diagnostic Questionnaire (PDQ-4-BPD)	X		X	X	Y		X
Primary Care Posttraumatic Stress Disorder (PC-PTSD) Screen	X				Y		X
PROMIS Fatigue	X		X	X	Y		X
PROMIS Sleep Disturbance	X	X	X	X	Y		X
UPPS Impulsive Behavior Scale, Urgency Subscale	X		X	X	Y		X
Youth Risk Behavior Survey	X		X	X	Y		X
Other Suicide/SH Risk and Protective Factors
Connectedness Scale	X		X	X	Y		X
Difficulties in Emotion Regulation Scale, Short Form (DERS-SF)	X	X	X	X	Y		X
Interpersonal Needs Questionnaire (INQ-R), Burdensomeness Scale	X	X	X	X	Y		X
Life Events Scale, Adapted	X	X	X	X	Y		X
National Firearm Survey, Gun Access	X				Y		X
Parent Depression (PHQ-9)	X				P		X
Parent Suicide History	X				Y		X
Economic Analysis
All Services Outside KPNW (CASA Youth Report)c	X	X	X	X	Y	X	X
All Services Outside KPNW (CASA Parent Report)	X				P	X
Sociodemographic and Other Characteristics
Demographics Youth	X				Y	X	X
Demographics Parent	X				P		X
Everyday Discrimination Scale	X			X	Y		X
Family Acceptance Scale	X			X	Y		X
Homophobia Questionnaire	X			X	Y		X
Outness Inventory	X			X	Y		X
Sexual Identity Behavior and Attraction Scale	X			X	Y		X
Online Resource Use and Satisfaction
Mental Health Resources				X	Y		X
Treatment Satisfaction	X		X	X	Y		X
Telehealth Treatment Satisfaction				X	Y		X

Abbreviations: BL=baseline; INT=interviewer-administered measure; SR=self-report measure; Y=youth; P=parent

^aIf self-report measure not completed by youth/parent, then interviewer would administer at the time of assessment.

^bThis measure was primarily interviewer-administered, but there were a small number of participants that completed a self-report version.

^cThis measure was interviewer-administered at baseline and self-report at follow-up assessments.