| 20 Table 1. Inclusion and exclusion criteria. Inclusion Exclusion Written in English or Dutch Written in languages other than English or Dutch Studies reporting on preferences of people with memory complaints and their significant others regarding starting a diagnostic trajectory for dementia Studies reporting on the development or cost/benefits of the tools (e.g. biomarkers) used to make an early/timely diagnosis Studies reporting on patients’ or significant others’ views on (shared) decision making regarding starting a diagnostic trajectory for dementia Studies reporting on whether a dementia diagnosis should be disclosed or not Studies reporting on GP’s views on their patients/significant others’ preferences for starting a diagnostic trajectory or (shared) decision making Studies reporting on general public or health care professionals’ preferences for diagnostic testing on dementia Studies published after 2010 Studies reporting on preferences for dementia screening in healthy individuals Quality assessment The Mixed Method Appraisal Tool (MMAT) was used to evaluate the methodological quality of the included studies. The MMAT is a tool designed for quality appraisal in systematic reviews that include quantitative, qualitative, and mixed methods studies (34). The MMAT consists of two screening questions and five quality criteria for each study type (qualitative research, randomized controlled quantitative research, non-randomized controlled quantitative research, observational descriptive quantitative research, and mixed methods research). For mixed methods studies 15 quality criteria are evaluated (those for qualitative research, quantitative research and mixed methods research). The screening questions assess if the study is an empirical study and focuses on the clarity of research questions and whether the data collected are sufficient to answer the research questions. Of the corresponding quality criteria, it is evaluated whether they were met or not met. Ratings vary between 0% (no quality criteria met) and 100% (all five quality criteria met) (34, 35), and are recommended to be completed with a description of the quality of the studies. IL and MH independently assessed the included studies, discussed their individual ratings, and agreed on a final rating.
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