Table 1 List of criteria for assessing the methodological quality of studies on the relationship between Type D personality and the general population.
Positive if with respect to: | |
|---|---|
Type D assessment | |
1. | A validated Type D questionnaire is used (e.g. DS16, DS24 or DS14) |
2. | The correct method of calculating Type D is used (e.g. as described in the publications associated with the Type D questionnaires) |
Study population | |
3. | A description is included of at least two socio-demographic variables |
4. | Inclusion and/or exclusion criteria are described |
5. | Participation rates for patient groups are described and are more than 75% |
6. | Information is given about the degree of selection of sample (information is given about the ratio respondents versus non-respondents). |
Study design | |
7. | The study size is consisting of at least 50 participants (arbitrarily chosen) |
8. | The collection of data is prospectively gathered |
9. | The process of data collection is described (e.g. interview or self-report) |
Results | |
10. | The results are compared between two groups or more (e.g., Type D vs. non-Type D, groups with different gender or age etc.) |
11. | Statistical proof for the findings is reported |