. Author manuscript; available in PMC: 2023 Jul 1.

Published in final edited form as: J Clin Child Adolesc Psychol. 2021 Jul 16;51(4):453–468. doi: 10.1080/15374416.2021.1941057

Table 3.

Indicators and Measures Used to Assess Engagement by REACH Domain, with Frequency of Use Across Studies

Domain	Measures
Relationship	1 study: Adaptation to Therapy (AT), total score; AT, Relationship with Therapist subscale; AT, Child Communication subscale; Attraction-Receptivity Questionnaire^; Client Evaluation of Motivational Interviewing Scale (CEMI)^, Client Perceived Quality of Motivational Interview subscale^a; Treatment Beliefs Questionnaire (TBQ) ^a^; Cross-Cultural Counseling Inventory-Revised^; Tolan Adapted Process Measure; Working Alliance Inventory-Short Form^*.
Expectancy	2 studies: Parent Motivation Inventory (PMI)^* total score. 1 study: Brief Development Survey^; CEMI^, Client Perceived Quality of Motivational Interview subscale^a; Expectations of Therapy Outcome Scale^; Mental Health Services Grid Interview, Perceived Need for Treatment; Parenting Self-Agency Measure^; PMI, Readiness to Change subscale^; PMI Desire for Child Change subscale^; PMI, Perceived Ability to Change subscale^; Readiness to Change (% rating)^; Readiness Ruler^; TBQ^a^; Understanding Mood Disorders Questionnaire.
Attendance	22 studies: Total appointments attended. 14 studies: Attended first appointment. 10 studies: Completed treatment. 8 studies: Dropped out of treatment. 7 studies: Attended at least one session. 3 studies: Attended all scheduled appointments; Attended second appointment; No-showed to first appointment. 2 studies: Appointments attended on time; Attended intake and one therapy session; Attended first appointment or called to reschedule; Cancelled appointments (% of sample); Cancelled appointments (raw number); Families attended at least 4 sessions. 1 study: # clinical telephone support sessions; # days between appointments; # days between ER discharge and treatment initiation; # days between referral and initial screening appointment; # late arrivals to appointments; # online modules completed; # sessions within six months of ER discharge; # sessions within two months of ER discharge; Attended second visit to psychiatry or addiction program within 30 days of the first; Attended one session within six months of ER discharge; Attended one session within two months of ER discharge; Attended subsequent appointments; Attended third appointment; Barriers to Services Questionnaire (BSQ)^, # families who experienced at least one family barrier; BSQ^, # families who experienced at least one service barrier; BSQ^, # family barriers; BSQ^, # service barriers; Canceled first appointment; Changed or cancelled first appointment; Cases who used any medical services; Cases who used any mental health service; Completed all eight online modules; Completed first online module; Completed seven sessions; Duration of clinical telephone support sessions; Endorsed “other” as barrier to treatment; Enrolled in treatment; Family attended 4+ sessions; Family available for scheduled call times; Families who never attended one outpatient appointment; General Continuing Care Adherence scale^; Hours of intervention received; Mean # of minutes late to appointments; Mean # of medical visits; Mean # of mental health visits; Mental Health Services Grid Interview, # services used by family; No-showed for appointment (% of sample); No-showed for appointment (raw number); Outpatient appointments attended; Refused services; Service Assessment for Children and Adolescents (SACA), attended one session within six months of ER discharge; SACA, attended one session within two months of ER discharge; Services for Children and Adolescents - Parent Interview (SCAPI)^, cases who visited emergency room; SCAPI^, cases who had family therapy; SCAPI^, cases who had other therapy; SCAPI^, cases with overnight stay; SCAPI^, cases who visited psychiatrist; SCAPI^, cases who visited teen clinic; SCAPI^, mean # emergency room visits; SCAPI^, mean # family therapy visits; SCAPI^, mean # other therapy visits; SCAPI^, mean # visits to psychiatrist; SCAPI^, mean # visits to teen clinic; Overall attrition (% individuals who did not complete all eight online modules); Pretreatment attrition (% individuals who did not complete any of the eight online modules); Time spent completing online modules
Clarity	1 study: Therapy Expectations Questionnaire; Therapy Knowledge Survey; Therapy Survey^, Client Expectations of Therapy Structure subscale; TBQ^a^; Understanding of Therapy Questionnaire; Understanding of Therapy Test.
Homework	5 studies: Homework assignments completed. 1 study: Adherence Questionnaire (AQ), Quality of Parent Adherence in Past week subscale; AQ, Quantity of Parent Adherence subscale; Caregivers who provided name and address to staff; Caregivers who returned program registration; Dyadic Parent-Child Interaction Skills Coding System (DPICS)^, Clean Up Do Skills; DPICS^, Clean Up Don’t Skills; DPICS^, Negative Parenting; DPICS^, Positive Parenting; DPICS^, Play Do Skills; DPICS^, Play Don’t Skills; Days caregiver cooperates with treatment assignments; Parent Participation Engagement in Child Psychotherapy Observational Coding System; Parenting Practices Scale^; Therapist rating of Cooperation; Therapist rating of extent to which client participated; Therapist rating of participation quality^; Therapist-report measure of parent engagement^*.

These measures assessed multiple engagement domains.

[measure] indicates that a measure is free and available in the public domain.