Skip to main content
. Author manuscript; available in PMC: 2010 May 18.
Published in final edited form as: IRB. 2009 May–Jun;31(3):1–10.

Table 1.

Respondents’ Beliefs about the Purpose of the Clinical Trial and Their Decision Regarding Participation

N Computer-Based Tool % NCI Pamphlet % Total % p-value
What do you think is the purpose of the investigational study?
 To see if the drug works 122 57.8 56.9 57.4 0.919
 To see if the drug is safe 115 34.4 16.7 26.1 0.030a
 To figure out the best dosage 115 29.0 15.1 22.6 0.075
 To see if the drug will help me 119 25.0 29.1 26.9 0.616
 To cure my cancer 118 17.2 13.0 15.3 0.525
Why do you think the physician talked to you about joining the study?
 I might benefit from the drug 116 46.8 25.9 37.1 0.020a
 I don’t have any other standard treatment options 113 24.6 17.3 21.2 0.345
 I am a good candidate for the trial 112 21.7 26.9 24.1 0.517
 S/he thought I might be willing to help 113 3.3 11.3 7.1 0.144
 Other drugs had stopped working 113 13.1 21.2 16.8 0.255
Did you feel like you had the option to refuse to be in the investigational study?
 Yes 119 95.6 93.1 94.4
 No 7 4.4 6.9 5.6 0.544
Did you decide to enroll in the current study?
 Yes 84 78.3 74.0 76.4
 No 26 21.7 26.0 23.6 0.594
a

p < 0.05

Note: Some variables may add up to greater than 100% as respondents could choose all options that apply.