Study type:
Medical/biological study
(experimental study)
Are media warnings about the adverse health effects of modern life self-fulfilling? An experimental study on idiopathic environmental intolerance attributed to electromagnetic fields (IEI-EMF)
med./bio.
By:
Witthöft M, Rubin GJ
Published in: J Psychosom Res 2013; 74 (3): 206-212
Aim of study (acc. to author)
Background/further details
Endpoint
Exposure
No exposure details are available.
Methods
Endpoint/measurement parameters/methodology
Investigated system:
Investigated organ system:
Time of investigation:
- before exposure
- after exposure
Main outcome of study (acc. to author)
Watching the film about the adverse health effects of WiFi increased the worries about electromagnetic fields compared to the group having watched the control film. This effect was stronger in people with higher state anxiety.
82 of the 147 participants reported symptoms which they attributed to the sham exposure. Participants who watched the WiFi-film reported more and stronger symptoms after the sham exposure than those who watched the control-film, especially participants with higher state anxiety. Attributions of symptoms to the WiFi sham exposure were strongest in people who watched the WiFi-film and who also had higher levels of state anxiety, with high levels of somatization and more concerns about electromagnetic fields.
The likelihood of people from the experimental group who attributed their symptoms to the sham exposure increased believing themselves to be electrosensitive compared to people having watched the control film.
The study demonstrated that media reports about the possible adverse health effects of modern technologies could elevate levels of concern among the public and increase the likelihood of reported symptoms following sham exposure.
Study funded by
-
Deutsche Forschungsgemeinschaft (DFG; German Research Foundation)
-
Deutscher Akademischer Austauschdienst (DAAD; German Academic Exchange Service), Germany
Comments on this article
-
Aschermann C
(2014):
[Factors Marking the Public Opinion on Electromagnetic Hypersensitivity in Sciences and Media- Current Examples and Background]
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