1National Center for Injury Prevention and Control, Centers for Disease Control and Prevention, Atlanta, Georgia
2Clinical Addiction Research and Education Unit, Section of General Internal Medicine, Department of Medicine, Boston University School of Medicine, Boston Medical Center, Boston, Massachusetts
Note: Dr. Zhang had full access to the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Disclaimer: The findings and conclusions in this article are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention (CDC).
Financial support: By the CDC via employment of Drs. Zhang, Strahan, and Guy and intergovernmental personnel agreement (IPA) no. 20IPA2009424 with Dr. Larochelle.
Disclosures: Disclosures can be viewed at www.acponline.org/authors/icmje/ConflictOfInterestForms.do?msNum=M21-4656.
Reproducible Research Statement:Study protocol: Not available. Statistical code: Available upon request from Dr. Zhang (e-mail, e-mail; [email protected]). Data set: IQVIA LRx data used in the analysis are proprietary and cannot be shared under the data use agreement. The data can be purchased from IQVIA.
Corresponding Author: Kun Zhang, PhD, Division of Overdose Prevention, National Center for Injury Prevention and Control, Centers for Disease Control and Prevention, 4770 Buford Highway, Atlanta, GA 30341; e-mail, e-mail; [email protected].
This article was published at Annals.org on 7 June 2022.