Table 3.
Quality appraisal of studies
| Author, year | Formal evaluation | Clear statement of research aims? | Qualitative methodology appropriate? | Research design appropriate to address aims? | Theoretical under-pinning clear, consistent and coherent? | Recruitment strategy appropriate? | Data collected in a way that addressed the research issue? | Relationship with researcher considered? | Ethical issues considered? | Analysis methods/rigour? | Clear statement of findings? | How valuable is the research? |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clarke 2019 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes |
| Cooke 2015 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Gerrish 2014 | Yes | Yes | Yes | Yes | Yes | Can not tell | Yes | No | Yes | Yes | Yes | Yes |
| Guell 2017 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes |
| Knowles 2021 | Yes | Yes | Yes | Yes | Yes | Can not tell | Yes | Yes | Yes | Yes | Yes | Yes |
| Redwood 2016 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes |
| Smith 2015 | Yes | Yes | Can not tell | Can not tell | Can not tell | Can not tell | Can not tell | No | Yes | Can not tell | Can not tell | Can not tell |
| Van der Graaf 2019 | Yes | Can not tell | Can not tell | Can not tell | Yes | Can not tell | Yes | No | Can not tell | Yes | Yes | Can not tell |
| Waterman 2015 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Wright 2013 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |