Examining Caregiver Practices During Adolescent Outpatient Alcohol Use and Co-Occurring Mental Health Treatment: Protocol for a Dyadic Ecological Momentary Assessment Study

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Abstract
Background: Caregiver-involved treatments for adolescents with alcohol use disorder and co-occurring disorders (AUD+CODs) are associated with the best treatment outcomes. Understanding what caregiving practices during treatment improve core adolescent treatment targets may facilitate the refinement and scalability of caregiver-involved interventions. Caregiving is dynamic, varying by context, affect, and adolescent behavior. Caregiver-involved treatments seek to change momentary interactions between caregivers and their adolescents. Accordingly, this protocol outlines a dyadic ecological momentary assessment (EMA) study to examine caregiving practices during AUD+CODs treatment and their associations with adolescent core treatment targets (eg, alcohol craving and use, motivation to reduce or stop drinking, and internalizing and externalizing symptoms). Objective: This paper aims to describe the methods for examining momentary caregiving practices and adolescent core treatment targets during adolescent outpatient AUD+CODs treatment. Methods: We will recruit 75 caregiver-adolescent dyads from outpatient mental health clinics providing AUD+CODs treatment. Eligible families will have an adolescent who (1) is aged between 13 and 18 years; (2) meets the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, diagnostic criteria for AUD; (3) is enrolled in outpatient treatment at the time of recruitment; and (4) has a legal guardian willing to participate in the study. Caregivers and adolescents will complete an eligibility screening, followed by a baseline assessment during or as close as possible to the second week of treatment. During the baseline assessment, caregivers and adolescents will receive formal training in EMA procedures. Next, caregivers and adolescents will complete a 15-week EMA burst design consisting of three 21-day EMA periods with 3-week breaks between periods. Throughout the study, participants will also complete weekly reports regarding the skills learned or practiced during therapy. The three overarching aims to the proposed study are as follows: (1) examine momentary caregiving practices (eg, support, monitoring, substance use communication quality) and their associations with core treatment targets, (2) examine how these associations change throughout treatment, and (3) examine whether a caregiver report of learning or practicing parenting- or family-focused behaviors in treatment sessions is associated with changes in the use of caregiving practices in daily life. Results: The proposed study was informed by a pilot study assessing the feasibility and acceptability of dyadic EMA during adolescent AUD+COD treatment. Some benchmarks were met during this study (eg, ≥80% caregiver retention rate), although most benchmarks were not (eg, adolescent [772/1622, 47.6%] and caregiver [1331/1881, 70.76%] random prompt compliance was below the ≥80% target). Data collection is anticipated to begin in December of 2024. The proposed study is designed to be completed over 3 years. Conclusions: Examining momentary caregiving practices using EMA has important implications for refining and scaling caregiver-involved interventions for AUD+CODs so that families who would benefit from caregiver-involved treatments can have access to them. International Registered Report Identifier (IRRID): PRR1-10.2196/63399

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