期刊
OTOLARYNGOLOGY-HEAD AND NECK SURGERY
卷 152, 期 2, 页码 228-232出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/0194599814560149
关键词
aeroallergen; allergen; allergic rhinitis
Objective To investigate the correlation between the change in regional aeroallergen levels and Internet search activity related to allergies. Study Design A retrospective time series analysis using a graphical analytical approach and statistical modeling was used. Setting Tertiary academic hospital setting. Subjects and Methods There were no specific enrolled subjects. Data from Google Trends were obtained (google.com/trends) for the following search terms: allergy, allergies, pollen, runny nose, congestion, and post nasal drainage. Daily pollen and mold spore count data were obtained for the same period from throughout Texas. Graphical analysis, correlation, and autoregressive integrated moving average (ARIMA) were employed to assess the relationship between aeroallergens on Google search activity. Results A strong positive correlation was observed between observed pollen counts and search activity for the terms allergies (r(pollen) = 0.798), allergy (r(pollen) = 0.781), and pollen (r(pollen) = 0.849). Symptom term searches were weakly correlated with pollen and mold counts. Also, ARIMA modeling supported the relationships indicated by the correlations. Conclusion Search activities for surrogate terms such as allergy, allergies, and pollen correlate strongly with observed pollen counts but not mold counts. These data demonstrate the usefulness of Google Trends search data in assessing regional disease burdens and offer insight into how the public seeks information about their own illness.
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