TY - JOUR
T1 - Development of the Addiction Dimensions for Assessment and Personalised Treatment (ADAPT)
AU - Marsden, John
AU - Eastwood, Brian
AU - Ali, Robert
AU - Burkinshaw, Pete
AU - Chohan, Gagandeep
AU - Copello, Alex
AU - Burn, Daniel
AU - Kelleher, Michael
AU - Mitcheson, Luke
AU - Taylor, Steve
AU - Wilson, Nick
AU - Whiteley, Chris
AU - Day, Edward
PY - 2014/6/1
Y1 - 2014/6/1
N2 - Background: Convergent research reveals heterogeneity in substance use disorders (SUD). The Addiction Dimensions for Assessment and Personalised Treatment (ADAPT) is designed to help clinicians tailor therapies.
Methods: Multicentre study in 21 SUD clinics in London, Birmingham (England) and Adelaide (Australia). 132 clinicians rated their caseload on a beta version with 16 ordinal indicators of addiction severity, health and social problem complexity, and recovery strengths constructs. In Birmingham, two in-treatment outcomes were recorded after 15-months: 28-day drug use (Treatment Outcome Profile; n = 703) and Global Assessment of Functioning (GAF; DSM-IV Axis V; n = 695). Following item-level screening (inter-rater reliability [IRR]; n = 388), exploratory structural equation models (ESEM), latent profile analysis (LPA), and mixed-effects regression evaluated construct, concurrent and predictive validity characteristics, respectively.
Results: 2467 patients rated (majority opioid or stimulant dependent, enrolled in opioid medication assisted or psychological treatment). IRR-screening removed two items and ESEM models identified and recalibrated remaining indicators (root mean square error of approximation 0.066 [90% confidence interval 0.055-0.064]). Following minor re-specification and satisfactory measurement invariance evaluation, ADAPT factor scores discriminated patients by sample, addiction therapy and drug use. LPA identified three patient sub-types: Class 1 (moderate severity, moderate complexity, high strengths profile; 46.9%); Class 2(low severity, low complexity, high strengths; 25.4%) and Class 3 (high severity, high complexity, low strengths; 27.7%). Class 2 had higher GAF (z = 4.30). Class 3 predicted follow-up drug use (z = 2.02) and lower GAF (z = 3.51).
Conclusion: The ADAPT is a valid instrument for SUD treatment planning, clinical review and outcome evaluation. Scoring and application are discussed.
AB - Background: Convergent research reveals heterogeneity in substance use disorders (SUD). The Addiction Dimensions for Assessment and Personalised Treatment (ADAPT) is designed to help clinicians tailor therapies.
Methods: Multicentre study in 21 SUD clinics in London, Birmingham (England) and Adelaide (Australia). 132 clinicians rated their caseload on a beta version with 16 ordinal indicators of addiction severity, health and social problem complexity, and recovery strengths constructs. In Birmingham, two in-treatment outcomes were recorded after 15-months: 28-day drug use (Treatment Outcome Profile; n = 703) and Global Assessment of Functioning (GAF; DSM-IV Axis V; n = 695). Following item-level screening (inter-rater reliability [IRR]; n = 388), exploratory structural equation models (ESEM), latent profile analysis (LPA), and mixed-effects regression evaluated construct, concurrent and predictive validity characteristics, respectively.
Results: 2467 patients rated (majority opioid or stimulant dependent, enrolled in opioid medication assisted or psychological treatment). IRR-screening removed two items and ESEM models identified and recalibrated remaining indicators (root mean square error of approximation 0.066 [90% confidence interval 0.055-0.064]). Following minor re-specification and satisfactory measurement invariance evaluation, ADAPT factor scores discriminated patients by sample, addiction therapy and drug use. LPA identified three patient sub-types: Class 1 (moderate severity, moderate complexity, high strengths profile; 46.9%); Class 2(low severity, low complexity, high strengths; 25.4%) and Class 3 (high severity, high complexity, low strengths; 27.7%). Class 2 had higher GAF (z = 4.30). Class 3 predicted follow-up drug use (z = 2.02) and lower GAF (z = 3.51).
Conclusion: The ADAPT is a valid instrument for SUD treatment planning, clinical review and outcome evaluation. Scoring and application are discussed.
KW - ADAPT
KW - Substance use disorder
KW - Treatment
KW - Assessment
KW - Personalised
KW - SUBSTANCE-USE DISORDERS
KW - TREATMENT OUTCOMES
KW - SEVERITY INDEX
KW - MODEL
KW - SCALE
KW - INVOLVEMENT
KW - PERFORMANCE
KW - SERVICES
KW - SMOKING
KW - HEROIN
U2 - 10.1016/j.drugalcdep.2014.03.018
DO - 10.1016/j.drugalcdep.2014.03.018
M3 - Article
SN - 0376-8716
VL - 139
SP - 121
EP - 131
JO - Drug and alcohol dependence
JF - Drug and alcohol dependence
ER -