Table 3 COREQ 32-item checklist of included studies

1. Interviewer/facilitator

[38, 40, 42, 44, 48, 50, 57, 59,60,61,62,63]

22 (81.5%)

2. Researcher credentials

[28,29,30,31,32,33, 35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63]

24 (88.9%)

3. Researcher occupation

[29, 31,32,33, 35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63]

21 (77.8%)

4. Researcher gender

[42, 47, 50,51,52,53,54, 56, 59, 61,62,63]

6 (22.2%)

5. Researcher experience

[29, 31,32,33, 35, 37, 38, 40–42, 44,45,46,47,48, 50–57, 59,60,61,62,63]

18 (66.7%)

6. Relationship established

[29, 33, 38, 42, 43, 47, 51,52,53, 56, 62]

6 (22.2%)

7. Participant knowledge of researcher

[42, 47, 51, 53, 54, 56, 62, 63]

4 (14.8%)

8. Interviewer characteristics

[29, 31, 33, 35, 36, 38, 40,41,42, 44,45,46,47,48, 50–57, 59,60,61,62,63]

17 (63%)

9. Methodological orientation

[29, 30, 33,34,35, 39, 42, 45,46,47,48,49, 51,52,53,54,55,56,57,58,59,60,61,62,63]

17 (63%)

10. Sampling

[28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63]

26 (96.3%)

11. Method of approach

[29,30,31,32,33,34,35, 37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63]

21 (77.8%)

12. Sample size

[28,29,30,31,32,33,34,35,36,37,38,39,40,41,42, 44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63]

26 (96.3%)

13. Non-participation

[30, 31, 33, 35, 40, 42–63]

14 (51.9%)

14. Setting of data collection

[29, 31,32,33,34,35,36, 38,39,40,41,42,43, 45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63]

22 (81.5%)

15. Presence of non-participants

[35, 41, 44, 47, 50, 52, 56, 61]

4 (14.8%)

16. Description of sample

[28–63]

27 (100%)

17. Interview guide

[29–63]

23 (85.2%)

18. Repeat interviews

0 (0%)

19. Audio/visual recording

[29–35, 37–63]

26 (96.3%)

20. Field notes

[36, 37, 44, 45, 53, 54, 58,59,60, 62]

8 (29.6%)

21. Duration

[30, 33, 35, 39, 42, 44,45,46,47,48,49, 51,52,53,54,55,56,57,58,59,60,61,62,63]

19 (70.4%)

22. Data saturation

[30, 33, 35, 39, 42, 44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63]

17 (63%)

23. Transcripts returned

[29, 38, 41, 50, 52, 61]

3 (11.1%)

24. Number of data coders

[29, 30, 32, 33, 35, 38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63]

22 (81.5%)

25. Description of coding tree

[30, 35, 38, 39, 45, 47, 51, 54, 58,59,60, 63]

9 (33.3%)

26. Derivation of themes

[28,29,30,31,32,33,34,35,36,37,38,39, 41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63]

26 (96.3%)

27. Software

[28,29,30,31,32,33,34,35, 37,38,39,40,41,42,43,44, 46,47,48, 52, 53, 55, 56, 58,59,60,61,62]

19 (70.4%)

28. Participant checking

[36, 45,46,47]

2 (7.4%)

29. Quotations presented

[28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63]

26 (96.3%)

30. Data and findings consistent

[28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63]

27 (100%)

31. Clarity of major themes

[29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63]

26 (96.3%)

32. Clarity of minor themes

[33, 35, 36, 38, 39, 42, 44, 45, 46,47,48, 50, 54, 55, 59, 63]

8 (29.6%)