Insights from behavioral economics to characterize substance use involvement in adolescents: a cluster analysis

Author:

González-Roz Alba,Suárez-Martínez Itziar,Alonso-Diego Gema Alonso-Diego,Martínez-Loredo Víctor,Secades-Villa Roberto

Abstract

Reinforcement pathology (RP), a framework rooted in behavioral economics, has contributed to advances in the etiology and treatment of substance use. Drug demand and delay discounting (DD) have gained considerable interest, as they inform on the risk for escalation to substance use as well as treatment-specific targets. No prior study conducted in Spain has explored the interplay of demand and DD in adolescents. This study was aimed to: 1) identify whether DD and alcohol demand can yield empirically driven subgroups, and 2) examine differences in substance use involvement. The sample comprised 107 (% females = 54.2) adolescents (M=15.46, SD=1.25) from a high school in Asturias (Spain). Participants filled out an ad-hoc survey on substance use over the prior 30 days and one year. A 20-item alcohol purchase task (APT) was used to assess the reinforcing value of alcohol. The 21-item Monetary Choice Questionnaire evaluated impulsive choice. Two subgroups emerged: Cluster 1 (n = 72) and Cluster 2 (n = 35). Participants in C2 consistently showed higher impulsivity and demand for alcohol, signifying lower responsiveness to alcohol pricing. As compared to C1, those in C2 had a higher prevalence of past-month substance use [C1: 26/72 (36.1%) vs. C2: 33/35 (94.3%), p <.001], and a greater frequency of drunkenness [p <.001] and binge drinking episodes [p <.001]. RP differentiate between subgroups of adolescent substance users with patterns of more versus less substance use involvement. The existence of specific drug use subpopulations should be considered when designing environmental preventive policies

Publisher

Universidad Miguel Hernandez de Elche

Subject

Psychiatry and Mental health,Clinical Psychology,Developmental and Educational Psychology,Experimental and Cognitive Psychology,Pediatrics, Perinatology and Child Health

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