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Analysis of the interests of Google users on toothache information

Author

Listed:
  • Matheus Lotto
  • Patricia Estefania Ayala Aguirre
  • Daniela Rios
  • Maria Aparecida Andrade Moreira Machado
  • Agnes Fátima Pereira Cruvinel
  • Thiago Cruvinel

Abstract

Background: The knowledge on health interests of a given population of Internet users might contribute to the increase of evidence on community’s dental needs, and consequently, to the improvement of public health planning. The frequency of searches for specific issues on Google can be analyzed by the application of Google Trends. Aim: In this study, we aimed to characterize the interests on toothache information of Google users from the United States, United Kingdom, Australia and Brazil. Methods: The monthly variation of relative search volume (RSV) and the lists of main toothache-related queries were determined from January 2004 through April 2016 using Google Trends. Autoregressive Integrated Moving Average (ARIMA) forecasting models were developed to determine predictive RSV values for toothache for additional 12 months. Autocorrelation plots and general additive model (GAM) were applied to determine trends and seasonality in RSV curves. Through linear regression models, we assessed the association between the variation of annual means of RSV values and national statistics for toothache in the U.S. and U.K. Subsequently, the distribution of main queries according to the identification of endodontic pain, type of searching information, and the interest in self-management of toothache was evaluated for the four countries. Results: The autocorrelation plots showed patterns of non-stationary time series. The monthly variation influenced the data of the U.S. and U.K., with the higher RSV values found respectively in January/July and December. Also, the interest on toothache in the U.K. increases in the second semester and in the fourth quarter, especially in December. Additionally, an annual variation affected significantly all time series, with the increment of RSV means over the years, varying from 265% in the U.S. to 745% in Brazil. In parallel, the increments in RSV values were also observed in all predictive curves. The annual variation of observed and fitted RSV values was directly associated with the increase of toothache visits in the U.S. and urgent dental treatments in the U.K. Moreover, the queries typed on Google were markedly linked to searches on endodontic pain information, especially in Brazil, where the residents usually searched for relief and/or self-management of pain. Conclusions: Therefore, these findings indicate an increasing interest of Google users on toothache-related topics, regardless of country and season. The Internet activity can be used by policy makers as a complementary source of data for the development and implementation of strategies to control and prevent toothache complications.

Suggested Citation

  • Matheus Lotto & Patricia Estefania Ayala Aguirre & Daniela Rios & Maria Aparecida Andrade Moreira Machado & Agnes Fátima Pereira Cruvinel & Thiago Cruvinel, 2017. "Analysis of the interests of Google users on toothache information," PLOS ONE, Public Library of Science, vol. 12(10), pages 1-17, October.
    • Handle: RePEc:plo:pone00:0186059
    DOI: 10.1371/journal.pone.0186059
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    1. World Bank, 2017. "World Development Indicators 2017," World Bank Publications - Books, The World Bank Group, number 26447, April.
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    1. Mikołaj Kamiński & Igor Łoniewski & Wojciech Marlicz, 2020. "“Dr. Google, I am in Pain”—Global Internet Searches Associated with Pain: A Retrospective Analysis of Google Trends Data," IJERPH, MDPI, vol. 17(3), pages 1-14, February.
    2. Junhel Dalanon & Yoshizo Matsuka, 2020. "A 10‐Year Analysis of Internet Search Trends of the Oral Health−Seeking Behavior of Filipinos," Poverty & Public Policy, John Wiley & Sons, vol. 12(2), pages 175-187, June.

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