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. 2020 Apr 30;47(8):516–524. doi: 10.1097/OLQ.0000000000001187

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Copyright © 2020 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the American Sexually Transmitted Diseases Association.

This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal.

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Segmented linear regression of monthly aggregate HIV tests among PrEPX participants and HIV-negative GBM not participating in PrEPX attending 2 sexual health and 3 primary care study sites, January 1, 2015 to March 31, 2018. Models represent testing estimates at sexual health clinics (A, B, C) and primary care clinics (D, E, F) among all GBM (A, D), PrEPX participants (B, E), and nonparticipant GBM (C, F). Gray dots: estimated number of tests per month; Blue line: trend in testing; vertical dashed line: model interruption at PrEPX commencement July 2016.