Table 5. Themes identified versus current literature.

	Themes
	Mistrust	Lack of understanding	Interests in herbal medicine	Concerns of confidentiality	Lack of cultural sensitivity	Financial and time constraints	Fear of placebo and side effects	Thorough explanations of research process	Word of mouth	Media advertisement	Positive views of incentives	Negative views of incentives	Use of the church
Literature
Abernethy et al (2005)[7]
Woods et al (2004)[8]
Corbie-Smith et al (1999)[5]
Shavers et al (2001)[9]
Ford et al (2007)[10]
George et al (2013)[11]
Fouad et al (2001)[12]
Swanson et al (1995)[13]
Jones et al (2009)[4]

RED = theme present in both this study and the literature.

GREEN = theme present in this study only.

BLUE = theme present in literature only.

GREY = theme absent from both this study and the literature.