Table 3

Comparison of subjects’ understanding of purpose of research by motivation and doctor status

MotivationDoctor status
Responses (n (%))Direct personal benefit
n=54
Altruism/dual
n=35
Own doctor
n=39
Other
n=49
Is the primary goal to benefit the subjects participating in the study, or future PD patients?*
1) Primarily intended to help subjects participating in study5 (9.3)0 (0)0 (0)5 (10.2)
2) Primarily intended to help future PD patients28 (51.9)20 (57.1)25 (64.1)24 (49.0)
3) Primarily intended to advance science/gain knowledge6 (11.1)1 (2.9)3 (7.7)3 (6.1)
4) Primarily intended to benefit the sponsor1 (1.9)0 (0)0 (0)1 (2.0)
1 and 210 (18.5)12 (34.3)9 (23.1)12 (24.5)
2 and 32 (3.7)2 (5.7)1 (2.6)3 (6.1)
Other2 (3.7)0 (0)1 (2.6)1 (2.0)
  • *Fisher's exact test (primarily intended to help subjects vs all other responses): p=0.14 for direct personal benefit versus altruism/dual; p=0.05 for own doctor versus other.

  • PD, Parkinson's disease.