Title Polydrug use trajectories and differences in impulsivity among adolescents
Authors Martinez-Loredo, Victor, Ramon Fernandez-Hermida, Jose, de La Torre-Luque, Alejandro, FERNÁNDEZ ARTAMENDI, SERGIO, FERNÁNDEZ ARTAMENDI, SERGIO
External publication No
Means Int. J. Clin. Health Psychol.
Scope Article
Nature Científica
JCR Quartile 1
SJR Quartile 1
JCR Impact 3.31700
SJR Impact 1.67700
Area International
Web https://www.scopus.com/inward/record.uri?eid=2-s2.0-85051825307&doi=10.1016%2fj.ijchp.2018.07.003&partnerID=40&md5=7feb4815a7d7a095efe65ecf2fd2fbb9
Publication date 01/09/2018
ISI 000444518400006
Scopus Id 2-s2.0-85051825307
DOI 10.1016/j.ijchp.2018.07.003
Abstract Background/Objective: Although alcohol, tobacco and cannabis are the most widely consumed drugs, sparse data exist regarding polydrug use in adolescents and its relationship with impulsivity. This study aims to identify trajectories of polydrug use and analyze differences in impulsivity between them. Method: A total of 1,565 adolescents (54.4% males; mean age = 13.02, SD = 0.57) were annually assessed over three years using the Barratt Impulsiveness Scale, the Zuckerman Impulsive Sensation Seeking Scale, a Stroop Test and a Delay Discounting Task. Frequency of alcohol, tobacco, and cannabis use, intoxication episodes and problem drinking were also assessed. Polydrug trajectories were identified using latent class mixed modelling. To examine differences in self-reported and behavioral impulsivity two mixed multivariate analyses of covariance were used. Results: Three trajectories of substance use were found. The 'Experimental use' and the 'Early use' trajectories presented the lowest and highest impulsivity, respectively. Substance use increases in the 'Telescoped used' trajectory were associated with parallel increases in impulsivity. Conclusions: individuals with divergent patterns of substance use during adolescence differ in their impulsiveness, primarily in general impulsivity and sensation seeking. Present findings suggest the relevance of these facets as possible targets for interventions preventing the onset and escalation of substance use. (C) 2018 Published by Elsevier Espana, S.L.U. on behalf of Asociacion Espanola de Psicologia Conductual.
Keywords Impulsivity; Sensation seeking; Polydrug; Delay discounting; Ex post facto study
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