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Computational and Mathematical Methods in Medicine
Volume 2017 (2017), Article ID 4074197, 13 pages
https://doi.org/10.1155/2017/4074197
Research Article

A Systems Dynamic Model for Drug Abuse and Drug-Related Crime in the Western Cape Province of South Africa

Department of Mathematical Sciences, Stellenbosch University, Private Bag X1, Matieland 7600, South Africa

Correspondence should be addressed to Farai Nyabadza; moc.liamg@abayn.f

Received 12 October 2016; Accepted 26 February 2017; Published 7 May 2017

Academic Editor: Sanjeewa Perera

Copyright © 2017 Farai Nyabadza and Lezanie Coetzee. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The complex problem of drug abuse and drug-related crimes in communities in the Western Cape province cannot be studied in isolation but through the system they are embedded in. In this paper, a theoretical model to evaluate the syndemic of substance abuse and drug-related crimes within the Western Cape province of South Africa is constructed and explored. The dynamics of drug abuse and drug-related crimes within the Western Cape are simulated using STELLA software. The simulation results are consistent with the data from SACENDU and CrimeStats SA, highlighting the usefulness of such a model in designing and planning interventions to combat substance abuse and its related problems.