Are the binary typology models of alcoholism valid in polydrug abusers?
Samuel Pombo,
Nuno Félix da Costa, Maria Luísa Figueira
Objective: The
study aims to evaluate the dichotomy type I/II and Type A/B alcoholism
typologies in Opiate Dependent Patients with a co-morbid Alcohol Dependence
Problem (ODP-AP).
Methods: The
validity process comprised the information regarding the history of alcohol use
(internal validity), cognitive-behavioural
variables regarding substance
use (external validity) and indicators of treatment in a 6-month follow-up (predictive
validity).
Results: ODP-AP subjects classified as type II/B presented an
early and much more severe drinking problem and a worse clinical prognosis when
considering opiate treatment variables, when comparing with ODP-AP subjects
defined as type I/A. Also, type II/B patients endorse more general positive
beliefs and expectancies related to alcohol effect and tend to drink heavily
across several intra-inter personal situations, when comparing with type I/A.
Conclusions: The
study results confirmed two different forms of alcohol dependence, recognized
as Low-Severity/Vulnerability Subgroup (LSVS) and High-Severity/Vulnerability
Subgroup (HSVS), in an opiate dependent population with lifetime diagnosis of alcohol
dependence.
http://www.scielo.br/pdf/rbp/2014nahead/1516-4446-rbp-1516-4446-2014-1384.pdf
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