Table 1

 Reasons for own non-participation in research studies

ReasonInterview survey (n = 1)Giving a blood sample (n = 8)Vaccine trial (n = 21)Drug trial (n = 19)
*Numbers in parenthesis are percentages.
Afraid/concern about (unknown) side effects0 (0.0)*0 (0.0)13 (61.9)13 (68.4)
Am healthy/not unwell, so why should I participate0 (0.0)4 (50.0)3 (14.3)3 (15.8)
Never needed medical help (so why contribute)1 (100.0)1 (12.5)1 (4.8)1 (5.3)
Have never had to do this for myself let alone do it for others0 (0.0)0 (0.0)1 (4.8)1 (5.3)
Have less blood in the body0 (0.0)2 (25.0)0 (0.0)0 (0.0)
Afraid of injections0 (0.0)0 (0.0)2 (9.5)0 (0.0)
No reason0 (0.0)1 (12.5)1 (4.8)1 (5.3)