Table 1.

Questions on risk perception of electromagnetic fields (EMFs) in general and thematic and discursive relevance.

Question	Answer Option
Concerns	5–point Likert scale from 1 = not at all concerned, 2 = not very concerned, 3 = neither nor, 4 = fairly concerned, 5 = very concerned
“How concerned are you about the potential health effects of electromagnetic fields in general?”
Thematic relevance	5–point Likert scale from 1 = never, 2 = not very often, 3 = sometimes, 4 = often, 5 = very often
“How often in your daily life do you think about the topic “potential health effects of electromagnetic fields”?”
Discursive relevance	5–point Likert scale, same as for above
“How often in your daily life do you talk about potential health effects of EMF with other people (including conversation, via Facebook, twitter, chat, online forum or similar)?”