Press releases issued by supplements industry organisations and non-industry organisations in response to publication of clinical research findings: a case-control study.

<h4>Background</h4>Dietary supplement use is increasing despite lack of evidence of benefits, or evidence of harm. Press releases issued by the supplements industry might contribute to this situation by using 'spin' (strategies to hype or denigrate findings) to distort the resu...

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Autores principales:	Michael T M Wang, Greg Gamble, Mark J Bolland, Andrew Grey
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/f3396747949c463d83725a71a4974589
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spelling	oai:doaj.org-article:f3396747949c463d83725a71a49745892021-11-25T06:09:40ZPress releases issued by supplements industry organisations and non-industry organisations in response to publication of clinical research findings: a case-control study.1932-620310.1371/journal.pone.0101533https://doaj.org/article/f3396747949c463d83725a71a49745892014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24992571/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>Dietary supplement use is increasing despite lack of evidence of benefits, or evidence of harm. Press releases issued by the supplements industry might contribute to this situation by using 'spin' (strategies to hype or denigrate findings) to distort the results of clinical studies. We assessed press releases issued in response to publication of clinical studies on dietary supplements.<h4>Methods and findings</h4>We analyzed 47 supplements industry press releases and 91 non-industry press releases and news stories, generated in response to 46 clinical studies of dietary supplements published between 1/1/2005 and 5/31/2013. The primary outcome was 'spin' content and direction. We also assessed disposition towards use of dietary supplements, reporting of study information, and dissemination of industry press releases. More supplements industry press releases (100%) contained 'spin' than non-industry media documents (55%, P<0.001). Hyping 'spin' scores were higher in industry than non-industry media documents for studies reporting benefit of supplements (median 'spin' score 3.3, 95% CI 1.0-5.5 vs 0.5, 0-1.0; P<0.001). Denigratory 'spin' scores were higher in industry than non-industry media documents for studies reporting no effect (6.0, 5.0-7.0 vs 0, 0-0; P<0.001) or harm (6.0, 5.5-7.5 vs 0, 0-0.5; P<0.001) from a supplement. Industry press releases advocated supplement use in response to >90% of studies that reported no benefit, or harm, of the supplement. Industry press releases less frequently reported study outcomes, sample size, and estimates of effect size than non-industry media documents (all P<0.001), particularly for studies that reported no benefit of supplements. Industry press releases were referenced by 148 news stories on the websites of 6 organizations that inform manufacturers, retailers and consumers of supplements.<h4>Conclusions</h4>Dietary supplements industry press releases issued in response to clinical research findings are characterized by 'spin' that hypes results that are favourable to supplement use and denigrates results that are not.Michael T M WangGreg GambleMark J BollandAndrew GreyPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 7, p e101533 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Michael T M Wang Greg Gamble Mark J Bolland Andrew Grey Press releases issued by supplements industry organisations and non-industry organisations in response to publication of clinical research findings: a case-control study.
description	<h4>Background</h4>Dietary supplement use is increasing despite lack of evidence of benefits, or evidence of harm. Press releases issued by the supplements industry might contribute to this situation by using 'spin' (strategies to hype or denigrate findings) to distort the results of clinical studies. We assessed press releases issued in response to publication of clinical studies on dietary supplements.<h4>Methods and findings</h4>We analyzed 47 supplements industry press releases and 91 non-industry press releases and news stories, generated in response to 46 clinical studies of dietary supplements published between 1/1/2005 and 5/31/2013. The primary outcome was 'spin' content and direction. We also assessed disposition towards use of dietary supplements, reporting of study information, and dissemination of industry press releases. More supplements industry press releases (100%) contained 'spin' than non-industry media documents (55%, P<0.001). Hyping 'spin' scores were higher in industry than non-industry media documents for studies reporting benefit of supplements (median 'spin' score 3.3, 95% CI 1.0-5.5 vs 0.5, 0-1.0; P<0.001). Denigratory 'spin' scores were higher in industry than non-industry media documents for studies reporting no effect (6.0, 5.0-7.0 vs 0, 0-0; P<0.001) or harm (6.0, 5.5-7.5 vs 0, 0-0.5; P<0.001) from a supplement. Industry press releases advocated supplement use in response to >90% of studies that reported no benefit, or harm, of the supplement. Industry press releases less frequently reported study outcomes, sample size, and estimates of effect size than non-industry media documents (all P<0.001), particularly for studies that reported no benefit of supplements. Industry press releases were referenced by 148 news stories on the websites of 6 organizations that inform manufacturers, retailers and consumers of supplements.<h4>Conclusions</h4>Dietary supplements industry press releases issued in response to clinical research findings are characterized by 'spin' that hypes results that are favourable to supplement use and denigrates results that are not.
format	article
author	Michael T M Wang Greg Gamble Mark J Bolland Andrew Grey
author_facet	Michael T M Wang Greg Gamble Mark J Bolland Andrew Grey
author_sort	Michael T M Wang
title	Press releases issued by supplements industry organisations and non-industry organisations in response to publication of clinical research findings: a case-control study.
title_short	Press releases issued by supplements industry organisations and non-industry organisations in response to publication of clinical research findings: a case-control study.
title_full	Press releases issued by supplements industry organisations and non-industry organisations in response to publication of clinical research findings: a case-control study.
title_fullStr	Press releases issued by supplements industry organisations and non-industry organisations in response to publication of clinical research findings: a case-control study.
title_full_unstemmed	Press releases issued by supplements industry organisations and non-industry organisations in response to publication of clinical research findings: a case-control study.
title_sort	press releases issued by supplements industry organisations and non-industry organisations in response to publication of clinical research findings: a case-control study.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/f3396747949c463d83725a71a4974589
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Press releases issued by supplements industry organisations and non-industry organisations in response to publication of clinical research findings: a case-control study.

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