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National Institute of Environmental Health Sciences

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Your Environment. Your Health.

Publication Detail

Title: Crowdsourced data collection for public health: A comparison with nationally representative, population tobacco use data.

Authors: Kraemer, John D; Strasser, Andrew A; Lindblom, Eric N; Niaura, Raymond S; Mays, Darren

Published In Prev Med, (2017 Sep)

Abstract: Internet-based crowdsourcing is increasingly used for social and behavioral research in public health, however the potential generalizability of crowdsourced data remains unclear. This study assessed the population representativeness of Internet-based crowdsourced data.A total of 3999 U.S. young adults ages 18 to 30years were recruited in 2016 through Internet-based crowdsourcing to complete measures taken from the 2012-2013 National Adult Tobacco Survey (NATS). Post-hoc sampling weights were created using procedures similar to the NATS. Weighted analyses were conducted in 2016 to compare crowdsourced and publicly-available 2012-2013 NATS data on demographics, tobacco use, and measures of tobacco perceptions and product warning label exposure.Those in the crowdsourced sample were less likely to report an annual household income of $50,000 or greater, and e-cigarette, waterpipe, and cigar use were more prevalent in the crowdsourced sample. High proportions of both samples indicated cigarette smoking is very harmful and very addictive. Comparable proportions of non-smokers and smokers reported cigarette warning label exposure, however the likelihood of reporting that smoking is very harmful by frequency of warning label exposure was lower among smokers in the crowdsourced sample.Our findings indicate that crowdsourced samples may differ demographically and may not produce generalizable estimates of tobacco use prevalence relative to population data after post-hoc sample weighting. However, correlational analyses in crowdsourced samples may reasonably approximate population data. Future studies can build from this work by testing additional methodological strategies to improve crowdsourced sampling strategies.

PubMed ID: 28694063 Exiting the NIEHS site

MeSH Terms: Adult; Behavior, Addictive; Crowdsourcing/methods*; Data Collection*; Drug Labeling; Female; Humans; Internet; Male; Prevalence; Public Health*; Smoking/adverse effects*; Surveys and Questionnaires; Tobacco Use*

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