Article	Bala et al (2017)	Bergsten et al (2011)	Brown et al (1995)	Chaleshgar‐Kordasiabi et al (2018)	Coty et al (2013)	Flurey et al (2014)	Flurey et al (2017)	Gronning et al (2011)	Hooper et al (2004)	Hwang et al (2004)	Kett et al (2010)	Kristiansen et al (2012b)	Kristiansen et al (2012a)	Laquinta et al (2004)	Lempp et al (2006)	Li Wen et al (2017)
Q1 Was there a clear statement of the aims of the research?	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Q2 Is a qualitative methodology appropriate?	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Q3 Was the research design appropriate to address the aims of the research?	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Q4 Was the recruitment strategy appropriate to the aims of the research?	1	1	1	1	0.5	1	1	1	0.5	1	1	1	1	0.5	1	1
Q5 Was the data collected in a way that addressed the research issue?	1	1	1	1	0	1	1	1	1	1	1	1	1	1	1	1
Q6 Has the relationship between researcher and participants been adequately considered?	1	0	1	0	0	0	1	1	0	0	1	0	0	1	0	1
Q7 Have ethical issues been taken into consideration?	1	1	1	1	0.5	0.5	0.5	0.5	0.5	1	0.5	0.5	0.5	0.5	0.5	1
Q8 Was the data analysis sufficiently rigorous?	1	1	0.5	1	1	1	1	1	0.5	1	1	1	1	1	1	1
Q9 Is there a clear statement of findings?	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Q10 How valuable is the research?	1	0.5	0.5	0.5	1	0.5	0.5	1	0.5	1	1	1	0.5	1	1	1
Score	10	8.5	9	8.5	7	8	9	9.5	7	9	9.5	8.5	8	9	8.5	10