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Headache and rhinitis: pattern search on Google Trends for 17 years
Diego Belandrino Swerts1, Guilherme Barbosa2, Mario Fernando Prieto Peres3
1Faculdade Israelita de Ciências da Saúde Albert Einstein, Hospital Israelita Albert Einstein, São Paulo, SP, Brazil.
Headache and rhinitis show a strong correlation over 17 years, with both conditions exhibiting seasonal patterns. This suggests a link between these prevalent health issues, discoverable through digital search trends.
Area of Science:
- Digital epidemiology
- Public health surveillance
- Medical informatics
Background:
- Headache and rhinitis are common and often occur together.
- Understanding their relationship and temporal patterns is crucial for public health.
- Google Trends offers a novel platform for analyzing disease trends.
Purpose of the Study:
- To investigate the correlation between headache and rhinitis over 17 years.
- To analyze the temporal and seasonal patterns of these conditions.
- To explore the utility of Google Trends for epidemiological research.
Main Methods:
- Utilized Google Trends data from January 2004 to June 2021.
- Analyzed search terms including "rhinitis" and "headache".
- Employed descriptive analysis, Pearson's test, and regression modeling to assess correlation and seasonality.
Main Results:
- A strong positive correlation (0.86) was found between rhinitis and headache search volumes.
- Rhinitis searches peaked in May, with increased volume in fall and decreased volume in spring/summer.
- Headache search volume showed an increasing trend, indicating a potential rise in its burden.
Conclusions:
- Headache and rhinitis are significantly correlated over a 17-year period.
- Both conditions demonstrate circannual variations in search interest.
- Digital search data provides valuable insights into the epidemiology and comorbidities of headache.
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