Table 4

Quality assessment—qualitative studies

Study id	Aim of evaluation	Sampling	Data collection	Data analysis	Research relations	Findings	Transferability	Relevance and usefulness	Ethics	Quality of information	Quality of study	Overall weighting
Ernecoff20	⁺	⁺	⁺	⁺	–	⁺	⁺	⁺	⁺	⁺	⁺	High
Frisman24	⁺	⁺	⁺	⁺	–	⁺	⁺	⁺	⁺	⁺	⁺	High
Garrouste-Orgeas23	⁺	⁺	⁺	⁺	–	⁺	⁺	⁺	⁺	⁺	⁺	High
Marshall30	⁺	⁺	⁺	⁺	–	⁺	?	⁺	⁺	?	?	Moderate
Rippin17	⁺	?	⁺	⁺	?	⁺	⁺	⁺	–	?	?	Low

*+, low concern; –, high concern; ?, unclear. Quality assessment tool elaborated in Xyrichis et al.13