Table 1 Search strategy and selection criteria
Level | Components of search |
|---|---|
Level 1 | Search engines: PubMed, EMBASE, EBSCOHOST, Google Scholar Key words: ‘informed consent’ or ‘comprehension’ or ‘health research’, or “language” or translation’ or ‘sub-Saharan Africa’ Key words + name of the country |
Level 2 | Manual search of studies identified in Level 1 |