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Decreased Global Interest in Oral Cancer During the COVID-19 Pandemic

Junhel Dalanon1,2, Yoshizo Matsuka2

  • 1School of Dentistry, Southwestern University PHINMA, Cebu City, Cebu, Philippines.

Asian Pacific Journal of Cancer Prevention : APJCP
|July 28, 2021
PubMed
Abstract

Insights

Higher-income countries show more interest in oral cancer searches. Online search interest for oral cancer declined during the COVID-19 pandemic, impacting surveillance and health-seeking behaviors.

Area of Science:

  • Oncology
  • Public Health
  • Digital Epidemiology

Background:

  • Oral cancer is a significant global malignancy, particularly in developing nations.
  • Limited research exists on global search trends related to oral cancer.
  • Understanding public search interest is crucial for health surveillance and intervention.

Purpose of the Study:

  • To analyze global search interest for oral cancer using keywords such as mouth cancer, tongue cancer, gum cancer, and lip cancer.
  • To identify geographic variations and temporal trends in online searches for oral cancer.
  • To explore the implications of these trends, especially during the COVID-19 pandemic.

Main Methods:

  • Utilized Google Trends data from 2010-2020 across 250 countries.
  • Employed Kruskal-Wallis and Dunn's tests for yearly search comparisons.
  • Used time series models for forecasting search trends from 2021-2022.

Main Results:

  • Highest search volumes for mouth cancer were noted in Sri Lanka, Qatar, Bangladesh, Finland, Netherlands, Spain, and France.
  • Increased searches for mouth cancer occurred in 2018 and 2019 compared to 2020.
  • Relative search volumes for gum and lip cancer were significantly lower than mouth cancer during the COVID-19 pandemic.

Conclusions:

  • Higher-income countries exhibit greater interest in online oral cancer information.
  • A notable decline in online search interest for oral cancer during the COVID-19 pandemic has significant implications.
  • Google Trends serves as a valuable tool for cost-effective oral cancer surveillance and understanding health-seeking behaviors.
Keywords:
COVID-19Cancer PreventionTrend Analysishealth-seeking behaviororal cancer

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