Qualitative studies† Cornall, 50 2015
 1. Clear research question?Yes
 2. Qual. method appropriate?Yes
 3. Research design appropriateYes
 4. Recruitment strategy appropriate?Yes
 5. Data collection appropriate?Yes
 6. Relationship between researchers and participants considered?Yes
 7. Ethics considered?Yes
 8. Data analysis rigorous?Yes
 9. Findings clear?Yes
 10. Research valuable?Yes
Quality assessment High

  • Green indicates a positive quality attribute; Amber indicates unclear quality; Red indicates low or negative quality.

  • *Cochrane Risk of Bias Tool.28

  • †Critical Appraisal Skills Programme checklist for cohort studies and qualitative studies.29

  • ‡National Institutes of Health quality assessment tool for case series.30

  • CD, cannot determine; H, high risk of bias; L, low; NA, not applicable; RCTs, randomised controlled trials; U, Unclear.