Table 2.

Quality of selected studies – number of studies meeting each CASP criteria

	Totally met	Partially met	Not met
1. Was there a clear statement of the aims of the research?	44	1	1
2. Is a qualitative methodology appropriate?	45	1	0
3. Was the research design appropriate to address the aims of the research?	43	3	0
4. Was the recruitment strategy appropriate to the aims of the research?	24	18	4
5. Were the data collected in a way that addressed the research issue?	28	17	1
6. Has the relationship between researcher and participants been adequately considered?	11	10	25
7. Have ethical issues been taken into consideration?	24	12	10
8. Was the data analysis sufficiently rigorous?	31	10	5
9. Is there a clear statement of findings?	39	7	0
10. How valuable is the research?	36	10	0