CASP quality assessment for synthesised studies
| Study ID | Was there a clear statement of the aims of the research? | Was the research design appropriate to address the aims of the research? | Was the recruitment strategy appropriate to the aims of the research? | Was the data collected in a way that addresses the research issue? | Was the data analysis sufficiently rigorous? | Is there a clear statement of findings? | Is a qualitative methodology appropriate? | How valuable is the research? | Have ethical issues been taken into consideration? | Has the relationship between researcher and participants been adequately considered? |
| Andrews33 2005 | Low | Low | Unclear | Low | Low | Unclear | Low | Low | Low | high |
| Astroth45 2013 | Low | Low | Low | Low | Low | Low | Low | Low | Low | high |
| Braaten51 2015 | Low | Low | Low | Low | Low | Low | Low | Low | Low | high |
| Brady42 2014 | Low | Low | Low | Low | Low | Unclear | Low | Low | Low | high |
| Bunkenborg55 2013 | Low | Unclear | High | Low | Unclear | Low | Low | Low | Low | high |
| Burns46 2017 | Low | Unclear | Unclear | Unclear | Low | Unclear | Low | Low | Low | high |
| Chua49 2013 | Low | Low | Low | Low | Low | Low | Low | Low | Unclear | high |
| Chua52 2019 | Low | Low | Low | Low | Low | Low | Low | Low | Low | low |
| Currey32 2017 | Low | Low | Low | Unclear | Unclear | Unclear | Low | Low | Low | high |
| Donohue15 2010 | Low | Low | Low | Low | Low | Low | Low | Low | Unclear | Unclear |
| Elmufdi43 2017 | Low | Low | Low | Low | Low | High | Low | Unclear | Low | high |
| Foley56 2018 | Low | Low | Low | Low | Low | Low | Low | Low | Low | high |
| Hart40 2016 | Low | Low | Low | Low | Low | Low | Low | Low | Low | low |
| Iddrisu54 2018 | Low | Low | Unclear | Low | Low | Low | Low | Low | Low | high |
| James31 2010 | Low | Low | Low | Low | Low | Low | Low | Low | Low | high |
| Johnston8 2015 | Low | Unclear | Low | Low | Low | Low | Low | Low | Low | high |
| King 201972 | Low | Low | Low | Low | Low | Low | Low | Low | Low | High |
| Leach38 2010 | Low | Low | Unclear | Low | Low | Low | Low | Low | Low | high |
| Mackintosh34 2012 | Low | Low | Low | Low | Low | Low | Low | Low | Low | high |
| Mackintosh41 2014 | Low | Low | Low | Low | Low | Low | Low | High | Low | high |
| Martland47 2016 | Low | Low | Unclear | Low | High | Low | Low | Low | Low | high |
| Massey44 2014 | Low | Low | Low | Low | Unclear | Low | Low | Low | Low | low |
| Peebles48 2012 | Low | Low | Low | Low | Unclear | Low | Low | Low | Unclear | high |
| Petersen50 2017 | Low | Low | High | High | Low | Low | Low | Low | Low | high |
CASP, Critical Appraisal Skills Programme.