Table 2. Methodological quality assessment (CASP) of included studies (n = 24).

Quality criterion	Assessment summary for study
	Yes	No	Can’t tell
Were the aims of the research stated clearly?	24	0	0
Is a qualitative methodology appropriate?	23	0	1
Was the research design appropriate to address the aims of the research?	21	0	3
Did the recruitment strategy fit with the aims of the research?	20	0	4
Were the data collected in a way that addressed the research issue?	22	0	2
Has the relationship between the researcher and the participants been adequately considered?	16	0	8
Have the ethical issues been taken into consideration?	14	4	6
Was the data analysis sufficiently rigorous?	22	0	2
Were the findings elaborated clearly?	24	0	0
How valuable is this research?	All studies deliver a valuable contribution to knowledge and practice or policy