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Searching for Cedar: Geographic Variation in Single Aeroallergen Shows Dose Response in Internet Search Activity
Thomas J Willson1, Alexandra Shams2, Joshua Lospinoso3
1Department of Otolaryngology-Head and Neck Surgery, San Antonio Military Medical Center, San Antonio, Texas, USA Uniformed Services University of Health Sciences, Bethesda, Maryland, USA S10twillson@gmail.com.
Internet searches for mountain cedar pollen correlate with pollen counts in Texas. This relationship helps understand public perception of allergy risks and guides targeted patient education.
Area of Science:
- Environmental Science
- Public Health
- Digital Epidemiology
Background:
- Mountain cedar pollen is a significant aeroallergen in Texas.
- Understanding public health concerns related to allergens is crucial for targeted interventions.
- Internet search data offers insights into public awareness and health-seeking behaviors.
Purpose of the Study:
- To determine the relationship between Mountain Cedar pollen counts and related Internet search activity.
- To analyze this relationship across three distinct geographic regions in Texas.
- To assess the temporal correlation between allergen levels and public online searches.
Main Methods:
- Retrospective time series analysis of pollen counts and Google search data (2011-2014).
- Data collected for San Antonio, Dallas-Ft Worth, and Houston metro regions.
- Statistical analysis using autoregressive integrated moving average (ARIMA) models.
Main Results:
- San Antonio exhibited the highest seasonal maximum pollen counts for Mountain Cedar.
- A strong, positive, and statistically significant correlation was found between Mountain Cedar pollen counts and searches for "pollen" and "mountain cedar" in San Antonio.
- The study identified a clear temporal and geographic link between allergen presence and online search behavior.
Conclusions:
- Environmental levels of Mountain Cedar pollen are geographically and temporally associated with Internet search trends.
- Google Trends data can reflect public perception of health risks associated with specific aeroallergens.
- Findings support targeted patient education and improved surveillance of pollen-related health issues.
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