Differences in drug intake levels (high versus low takers) do not necessarily imply distinct drug user types: Insights from a new cluster-based model

Diego M. Castaneda; Martin O. Job

doi:10.1371/journal.pone.0340165

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Open Access

Peer-reviewed

Research Article

Differences in drug intake levels (high versus low takers) do not necessarily imply distinct drug user types: Insights from a new cluster-based model

Diego M. Castaneda,

Roles Visualization, Writing – original draft, Writing – review & editing

Affiliation Department of Biomedical Sciences, Cooper Medical School of Rowan University, Camden, New Jersey, United States of America
⨯
Martin O. Job

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

* E-mail: job@rowan.edu

Affiliation Department of Biomedical Sciences, Cooper Medical School of Rowan University, Camden, New Jersey, United States of America

https://orcid.org/0000-0003-0764-3992

⨯

Differences in drug intake levels (high versus low takers) do not necessarily imply distinct drug user types: Insights from a new cluster-based model

Diego M. Castaneda,
Martin O. Job

Published: February 2, 2026
https://doi.org/10.1371/journal.pone.0340165

About the Authors

Diego M. Castaneda

Roles Visualization, Writing – original draft, Writing – review & editing

Affiliation Department of Biomedical Sciences, Cooper Medical School of Rowan University, Camden, New Jersey, United States of America

Martin O. Job

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

* E-mail: job@rowan.edu

Affiliation Department of Biomedical Sciences, Cooper Medical School of Rowan University, Camden, New Jersey, United States of America

https://orcid.org/0000-0003-0764-3992

Competing Interests

The authors have declared that no competing interests exist.

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Demand curves
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Cocaine
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Drug users
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Principal component analysis
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Rats
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Psychostimulants
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Multivariate analysis
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