Relative risk in the news media: a quantification of misrepresentation.

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Abstract
OBJECTIVES: This study quantifies the representativeness with which the print news media depict mortality. METHODS: The proportion of mortality-related copy in samples of national print media was compared with the proportion of actual deaths attributable to the leading causes of US mortality over a 1-year period. RESULTS: For every tested cause of death, a significant disproportion was found between amount of text devoted to the cause and the actual number of attributable deaths. Underrepresented causes included tobacco use (23% of expected copy) and heart disease (33%); overrepresented causes included illicit use of drugs (1740%), motor vehicles (1280%), and toxic agents (1070%). CONCLUSIONS: The news media significantly misrepresent the prevalence of leading causes of death and their risk factors. This misrepresentation may contribute to the public's distorted perceptions of health threats.

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