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Table 4 Risk of bias qualitative studies using the CASP tool for qualitative studies

From: Specialist antenatal clinics for women at high risk of preterm birth: a systematic review of qualitative and quantitative research

Study ID O’Brien et al. [31]
Study objective Yes, understanding the women’s experiences of attending and being referred to the specialist antenatal clinic.
Appropriate method Yes, qualitative methodology is appropriate to seek women’s experience of the clinic.
Study design Yes, through focus groups and in depth face to face interviews.
Recruitment strategy Yes, women were enrolled from a specialist clinic which is a major referral centre in the North West England.
Data collection Yes, data collected through focus groups and face to face interview. All were recorded and transcribed and data saturation was discussed.
Researcher-participant relationship Unclear, no information was given.
Ethical approval Yes, study reviewed by Hospital’s Research and development Committee.
Data analysis Yes, data was analysed by two independent researchers using the constant comparative method.
Study findings Yes, three themes were explicitly defined and the credibility of the findings was also clearly discussed.
Study values Yes, researchers identify a new area for further research.