Online Interest for Electronic Cigarettes Using Google Trends in the UK: A Correlation Analysis.

Background: Google Trends provides an easily accessible and cost-effective method of providing real-time insight into user interest.

Objective: to address the gap in UK prevalence data for e-cigarettes by analyzing Google Trends to identify correlations with official data from Action on Smoking and Health. The study further evaluates Google Trend's sensitivity to real-time events and the ability for predictive models to forecast future data based on Google Trends.