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Current Drug Research Reviews

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ISSN (Print): 2589-9775
ISSN (Online): 2589-9783

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Research Article

Updated Indicators to Evaluate Harmful Drug Use, in Particular, Poly-Drug Use

Author(s): Emanuela Colasante, Francesco Fabi, Carla Rossi, Gianpaolo S. Tomba and Sabrina Molinaro*

Volume 11, Issue 1, 2019

Page: [51 - 57] Pages: 7

DOI: 10.2174/1874473711666180924155231

Abstract

Background: Drug use indicators that are capable of measuring the individual levels of harm following drug use, and in particular, poly-drug use, have previously been proposed, based on individual drug and frequency of use data and expert rankings of harms related to various substances. These indicators allow the estimation of risk profiles for selected groups of individuals and comparisons, both over time and between populations. Recent advances regarding the ranking of drug use harms allow a refinement of these indicators, separating the effects on self and others.

Objective: To define updated indicators and compare their performance to previous ones on datasets related to the Italian ESPAD longitudinal data.

Methods: Two new scores, based respectively on the Harm to self and Harm to others substance scores, are defined. These scores follow the same logic as the previous poly-drug score (PDS), but now using the new Harm to self and Harm to others scores as weights, both in the individual calculations and in the calculation of the two normalizing factors.

Results: The new harm-to-self drug use indicator is shown to correlate strongly with the previous poly-drug use indicator; and the Harm to others indicator, is introduced and commented upon. Using further ESPAD survey information related to personal behaviour, it is shown that high values of poly-drug use indicators are linked to specific behaviours related to interest in school, relationship with parents and use of leisure time. These results are consistent with previous analyses based on surveys among high school students in Italy.

Keywords: Polydrug use, summary drug use indicators, Italian ESPAD data, harm to self, harm to others, risk profiles.

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