“…Unlike our study, Davis et al (2002) found that the implementation of multiple follow-up strategies was the most important factor in achieving high retention rates regardless of the population being studied. Our findings that relationships, including elements of trust, cultural competence, and participants’ wariness of financial conflicts of interest, are crucial to participant retention are consistent with previous studies that found these to be important factors in peoples’ willingness to enroll in research (Chao et al, 2011; Dilworth-Anderson, 2011; Kirkby, Calvert, Draper, Keeley, & Wilson, 2012; Manson, Garroutte, Goins, & Henderson, 2004). A focus group study with African American research participants found that a lack of trust in scientific research, academic institutions, and researchers themselves, as well as the failure of researchers to share their findings with the community, were participation barriers regardless of SES or education (Williams et al, 2010).…”