DESCRIPTION (provided by applicant): Population smoking trends are principally documented by aggregating individual responses to health surveys that are only collected intermittently. As a result, most evaluations of population tobacco control may be confounded when multiple measures take effect in the same year. Real-time smoking trends would allow investigators to temporally associate population smoking with specific tobacco control measures, thereby potentially better cataloging the effectiveness of specific tobacco control measures. Until now there has not been an adequate data source for real-time population smoking surveillance. The Internet is the most utilized health resource on the globe, and some pioneering work in infectious disease epidemiology shows aggregate Internet search queries may be used to validly estimate population heath trends. We hypothesize changes in smoking-related Internet search queries may capture population smoking trends, with fine temporal resolution to inform tobacco control evaluations. To demonstrate their utility, these trends will b used to evaluate the effectiveness of the Great American Smokeout and New York's (NY) 2010 cigarette excise tax increase, hypothesizing these measures will reduce smoking. Real-time smoking trends will be disseminated through a public web application, Tobacco Trends (www.tobaccotrends.org), with smoking trends for 2004 onward to give investigators, sponsors, and policy makers the ability to rapidly evaluate tobacco control measures based on population smoking trends.
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