Table 3

Question examples

QuestionnaireQuestion exampleScale
K10During the last month, how often did you feel tired out for no good reason?0—not at all…4—always
PQ-16I have seen things that other people apparently cannot seeTrue—untrue
Discrimination scaleHow often do you experience one of the following types of discrimination: You are being scoffed at or threatened?0—never…3—often
Social defeat scaleI feel that I have not made it in life0—not at all…4—always
Oslo social support questionnaireHow many people are so close to you that you can count on them if you have serious personal problems?0—none…4—six or more