Using Search Engine Data to Explore Interest in PrEP and HIV Testing in the United States
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ORIGINAL PAPER
Using Search Engine Data to Explore Interest in PrEP and HIV Testing in the United States Ari Whiteman1,2 · Cyprian Wejnert2 · Elana Morris2 · Janet Burnett2 Accepted: 30 September 2020 © This is a U.S. Government work and not under copyright protection in the US; foreign copyright protection may apply 2020
Abstract We used Google search data from January 1, 2014 to January 1, 2019 to explore public awareness of pre-exposure prophylaxis (PrEP) and HIV testing in the United States. Using two search strings, one for PrEP and one for HIV testing, we compared search volume to state HIV prevalence and new HIV diagnoses. We also used Google News to identify news events related to short-term spikes in search volume. Controlling for poverty, education, and internet access, a one-unit increase in a state’s HIV prevalence rate was associated with a 3% increase in PrEP search volume (aPR = 1.03 [1.034, 1.037], P
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