Table 2.

Qualitative studies. Quality assessed using the Standard Quality Assessment Criteria for Evaluating Primary Research Papers from a variety of fields

Authors	Question/objective sufficiently described?	Study design evident and appropriate?	Context for the study clear?	Connection to a theoretical framework/wider body of knowledge?	Sampling strategy described, relevant and justified?	Data collection methods clearly described and systematic?	Data analysis clearly described and systematic?	Use of verification procedure(s) to establish credibility? (Yes or No only)	Conclusions supported by the results?	Reflexivity of the account?	Summary score
Cheung et al 42	2	2	2	2	2	2	2	2	1	0	0.85	Yes	2
Clarke et al 43	2	2	1	2	1	1	2	2	2	1	0.8	Partial	1
de Graaff et al 44	2	2	2	2	2	2	2	2	1	1	0.9	No	0
Dees et al 45	2	2	2	2	1	1	2	2	2	1	0.85	NA
Gerber et al 46	2	2	2	2	2	2	2	2	2	0	0.9
Gerber et al 47	2	2	2	2	1	2	1	2	1	1	0.8
Holdsworth and King48	2	2	2	2	1	2	1	0	1	1	0.7
Luijkx and Schols49	2	2	2	2	1	2	1	0	2	0	0.7
Piil et al 50	2	2	2	2	2	2	1	2	1	0	0.8
Preisler et al 51	2	2	2	2	2	2	2	0	2	1	0.85
Sellars et al 52	2	2	2	2	2	2	2	2	2	1	0.95
Simon et al 53	2	2	2	2	2	2	2	2	2	0	0.9
Thomas et al 54	1	2	2	2	1	2	2	2	2	1	0.85
Yurk et al 55	1	2	2	2	2	1	2	2	2	1	0.85
Zhang and Siminoff56	2	2	2	2	2	2	1	2	1	1	0.85

The summary score for each study is derived by calculating the total score obtained across the 10 items and dividing by 20 (the total possible score).