Table 4. Differences in perceptions amongst those who ‘Heard’ of clinical research and those who did not.

Human participants in clinical research are treated like experimental animals (‘human Guinea Pigs’)
	Heard		Not Heard		Average		Z value	P value
	N	%	N	%	N	%
True	16	33.3	20	16.0	36	20.8	2.51	0.012
False	22	45.8	68	54.4	90	52.0
N/A	10	20.8	37	29.6	47	27.2
Total	48	100	125	100	173	100
Altruism is the only valid reason for participation in research
	Heard		Not Heard		Average		Z value	P value
	N	%	N	%	N	%
Yes	21	43.8	86	68.8	107	61.9	−3.03	<0.01
No	22	45.8	21	16.8	43	24.9
NR	5	10.4	18	14.4	23	13.3
Total	48	100	125	100	173	100
Participation in research is entirely voluntary
	Heard		Not Heard		Average		Z value	P value
	N	%	N	%	N	%
Yes	36	75.0	110	88.0	146	84.4	−2.10	0.0358
No	7	14.6	3	2.4	10	5.8
NR	5	10.4	12	9.6	17	9.4
Total	48	100	125	100	173	100