ArticlePreventive medicine reports2015
Life cycle of television public service announcements disseminated through donated airtime.
Article in Preventive medicine reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
0 citing papers in PubMed, 1 citations in OpenAlex.
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Corrections and comments
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
Abstract
objectiveTo investigate the longevity and reach of television public service announcements (PSAs) developed by the Centers for Disease Control and Prevention's Screen for Life: National Colorectal Cancer Action Campaign.
methodsTelevision airtime donated to Screen for Life PSAs was tracked, and the impressions (a broadcasting metric for audience size) generated by PSAs in circulation ≥ 5 years were analyzed in 2014. The sample consisted of 8 PSAs, including English and Spanish PSAs, PSAs featuring celebrities, and PSAs redistributed multiple times after their initial release.
resultsDuring the most recent year of circulation (5-9 years after initial release), each PSA generated 15.7 million to 251.7 million impressions. Peak annual impressions were achieved as late as 9 years after a PSA's initial release. When PSAs were redistributed 2 years or longer after the prior distribution, annual impressions increased over the preceding year by > 20 million in 80.0% of instances. Among English PSAs, those featuring celebrities produced the highest mean and peak annual impressions.
conclusionsDonated-placement television PSAs can be a long-lived health promotion strategy. Redistribution may enhance PSA longevity, and featuring celebrities, particularly in English PSAs, may expand reach.
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