Table 1.

Quality assessment of included qualitative studies.

Reference (Year)					Criteria						Overall Assessment of Methodological Quality
	1	2	3	4	5	6	7	8	9	10
Hancock & Sui (2009) [16]	+	+	+	+	+	+	+	+	+	+	No or very minor concerns
Parra-Cardona et al. (2013) [53]	+	+	+	+	+	+	+	+	+	+	No or very minor concerns
Welland & Ribner (2010) [54]	+	+	+	+	+	+	+	+	−	+	No or very minor concerns
Hoang, Quach & Tran (2013) [56]	+	+	+	+	+	+	+	−	+	+	No or very minor concerns

Note. Criteria: 1 = Was there a clear statement of the aims? 2 = Was a qualitative methodology appropriate? 3 = Was the research design appropriate? 4 = Was the recruitment strategy appropriate? 5 = Was the method of data collection appropriate? 6 = Was the relationship between the researcher and participant adequately considered? 7 = Were ethical issues taken into consideration? 8 = Was the data analysis sufficiently rigorous? 9 = Was there a clear statement of the findings? 10 = Was the value of the research discussed? Symbols: + =yes; − = no.