A measurement invariance analysis of selected Opioid Overdose Knowledge Scale (OOKS) items among bystanders and first responders

• James A. Swartz ,

  Contributed equally to this work with: James A. Swartz, Qiao Lin, Yerim Kim

  Roles Conceptualization, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

  * E-mail: jaswartz@uic.edu

  Affiliation Jane Addams College of Social Work, University of Illinois Chicago, Chicago, Illinois, United States of America

  https://orcid.org/0000-0003-2206-7962

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• Qiao Lin ,

  Contributed equally to this work with: James A. Swartz, Qiao Lin, Yerim Kim

  Roles Conceptualization, Formal analysis, Writing – original draft

  Affiliation College of Education, University of Illinois Chicago, Chicago, Illinois, United States of America

  https://orcid.org/0000-0002-5565-1439

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• Yerim Kim

  Contributed equally to this work with: James A. Swartz, Qiao Lin, Yerim Kim

  Roles Conceptualization, Formal analysis, Writing – review & editing

  Affiliation Jane Addams College of Social Work, University of Illinois Chicago, Chicago, Illinois, United States of America

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