Fig. 3

COREQ quality of reporting summary of the 46 included studies, over the three domains (domain 1: ‘research team and reflexivity’, comprises 8 signalling questions which describes both the personal characteristics of the researchers and their relationships with the participants; domain 2: ‘study design’ comprises 15 questions which describes the included population and study methods; and domain 3: ‘analysis and findings’, comprises 9 questions which describes the analysis and clarity of the results) containing a total of 32 signalling questions. An overview of each individual study is presented in the supplementary Table S2