General practitioners' knowledge on and risk percetion of electromagnetic fields – a cross-sectional study in Germany

General practitioners (GPs) play an important role in the communication about the risks of electromagnetic fields (EMF). The aim of this analysis was to assess whether knowledge about EMF or trust in organizations predict risk perception of GPs. A 7% random sample was drawn from online lists of all GPs working in Germany. 1,867 doctors received a long version of a self-administered postal questionnaire about knowledge on EMF and health (response rate 23.3%), 928 doctors received a short version (response rate 49.1%). To determine the association between knowledge, trust and risk perception of EMF, a multiple log…