Table 4.

Studies on scalability assessment concerning the reach and acceptability domain for implementation planning involving data analyses using descriptive and inferential statistics.

Research focus and type		Data collection technique		Studies, n		Reference
Acceptability assessment
	Quantitative	Observation	7		[27,30,32-34,37,39]
	Qualitative	Semistructured interviews	1		[38]
Compliance assessment
	Quantitative	Nonvalidated surveys or questionnaires	1		[31]
	Quantitative	Validated surveys or questionnaires	1		[32]
Penetration assessment
	Quantitative	Observation	2		[31,37]