Table 1.

Categorization of studies according to the World Health Organization monitoring and evaluation framework (n=46).

Study type and research design			Studies, n (%)
Monitoring studies: functionality and stability of MTa at predefined levels of quality
	1. MT technology assessments: studies assessing MT quality, functionality, and performance	23 (50)
	2. Technology stability standards: studies proposing standards or criteria for MT quality assurance	3 (7)
	3. Prototype demonstrations: studies reporting on the development and design of an in-house built MT-based system	8 (17)
Evaluation studies: MT technology in health-related settings
	4. Usability studies: studies addressing end-user attitudes, perceptions, and responses when using the prototype system and assessing how easily end users can interact with the system	4 (9)
	5. Economic evaluations: studies addressing accessibility, availability, or affordability of the system	4 (9)
	6. Implementation research: studies around the implementation of MT technology within a broader (public) health system architecture	4 (9)

^aMT: machine translation.