TABLE 1.

Behavioral Health Services Cascade Definitions

Step	Operational Definition	Relative Rate
a. JJ Referrals	Total number of referrals to juvenile justice in time period with a disposition starts date, less any youth already in treatment at that time.	—
b. Screened	Subset of JJ referrals (a) with a screening record.	b/a
c. Need Identified	Subset of JJ referrals (a) with a need for substance use treatment based on screener, urinalysis, clinical assessment, or other sources of information.	c/a
d. JJ Referrals to Treatment	Subset of those in need (d), referred by the juvenile justice system to substance use treatment.	d/c
e. Initiated Treatment	Subset of those referred to treatment (e) who have treatment start date.	e/c
f. Engaged In Treatment	Subset of those who initiate treatment (f) who stay in treatment for at least 6 weeks (based on treatment discharge minus treatment start date).	f/e
g. Continuing Care	Subset of those engaged in treatment (g) that are still getting treatment after 90 days (whether via retention, transfer, or booster).	g/e