Table 4

Study measures

Study concepts	Constructed from the following example questions	Type of variable
Risk perceptions	CAM should only be used as a last resort when conventional medicine has nothing to offer	Dichotomous
Risk communication	How often do you ask your patients if they use CAM and/or conventional medicine?	Order categories
Direct risk situations	Do you think that CAM modalities can interact with conventional medicines?	Dichotomous
Indirect risk situations	Is the lack of regulation of the CAM profession risky for the patients?	Dichotomous
Information regarding CAM and conventional treatment	Do you seek information regarding CAM cancer treatment? Do you seek information regarding conventional cancer treatment?	Dichotomous Dichotomous