ArticleInternational journal of methods in psychiatric research2022
Adapting the multilevel model for estimation of the reliable change index (RCI) with multiple timepoints and multiple sources of error.
Article in International journal of methods in psychiatric research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.
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10 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Introduction to the Special Issue on Innovations and Applications of Integrative Data Analysis (IDA) and Related Data Harmonization Procedures in Prevention Science.Prevention science : the official journal of the Society for Prevention Research · 2023Pooled it
- Beyond Jacobson and Truax: Estimation of Clinical Significance Trajectories in the Coping Power Intervention Using Measurement Error-Corrected Multilevel Modeling.Behavior therapy · 2025Trial
- Project Harmony 2.0: protocol for an updated and expanded individual patient data meta-analysis and virtual clinical trial of treatments for comorbid PTSD and substance use disorders.European journal of psychotraumatology · 2026Article
- Advancing PTSD-Substance Use Comorbidity Treatment Research Through Applying FAIR and FACT Data Science Frameworks inJournal of studies on alcohol and drugs · 2026Article
- Behavioral activation for veterans with co-occurring alcohol use disorder and posttraumatic stress disorder: Basis and methodology for a pilot randomized controlled trial.Contemporary clinical trials · 2024Article
- Preventing Mental Health Problems in Children After High Conflict Parental Separation/Divorce Study: An Optimization Randomized Controlled Trial Protocol.Mental health & prevention · 2023Article
- Minimal important difference metrics and test-retest reliability of the PTSD Checklist for DSM-5 with a primary care sample.Journal of traumatic stress · 2023Article
- Integrative data analysis of clinical trials network studies to examine the impact of psychosocial treatments for black people who use cocaine: Study protocol.Contemporary clinical trials · 2023Article
- Differential symptom weighting in estimating empirical thresholds for underlying PTSD severity: Toward a "platinum" standard for diagnosis?International journal of methods in psychiatric research · 2023Article
- Adapting the multilevel model for estimation of the reliable change index (RCI) with multiple timepoints and multiple sources of error.International journal of methods in psychiatric research · 2022Article
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5 authors.
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Abstract
objectiveOne of the primary tools in the assessment of individual-level patient outcomes is Jacobson and Truax, (1991's) Reliable Change Index (RCI). Recent efforts to optimize the RCI have revolved around three issues: (a) extending the RCI beyond two timepoints, (b) estimating the RCI using scale scores from item response theory or factor analysis and (c) estimation of person- and time-specific standard errors of measurement.
methodWe present an adaptation of a two-stage procedure, a measurement error-corrected multilevel model, as a tool for RCI estimation (with accompanying Statistical Analysis System syntax). Using DASS-21 data from a community-based mental health center (N = 379), we illustrate the potential for the model as unifying framework for simultaneously addressing all three limitations in modeling individual-level RCI estimates.
resultsCompared to the optimal-fitting RCI model (moderated nonlinear factor analysis scoring with measurement error correction), an RCI model that uses DASS-21 total scores produced errors in RCI inferences in 50.8% of patients; this was largely driven by overestimation of the proportion of patients with statistically significant improvement.
conclusionEstimation of the RCI can now be enhanced by the use of latent variables, person- and time-specific measurement errors, and multiple timepoints.
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