Question examples
| Questionnaire | Question example | Scale |
|---|---|---|
| K10 | During the last month, how often did you feel tired out for no good reason? | 0—not at all…4—always |
| PQ-16 | I have seen things that other people apparently cannot see | True—untrue |
| Discrimination scale | How often do you experience one of the following types of discrimination: You are being scoffed at or threatened? | 0—never…3—often |
| Social defeat scale | I feel that I have not made it in life | 0—not at all…4—always |
| Oslo social support questionnaire | How 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 |