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. 2023 Oct 3;271(1):543–552. doi: 10.1007/s00415-023-12010-8

Table 2.

Responses to the ACT-Q

Mean score, interpretation (n)
Barriers to participationc
 (2) The distance to the clinic is too far 3.2, Slightly important (118)
 (1) The time commitment required to participate 2.9, Slightly important (118)
 (6) I am concerned about the potential dangers and side effects of trial medicationsb 2.9, Slightly important (119)
 (7) I am worried about the possibility of being assigned to the placebo groupb 2.7, Slightly important (117)
 (3) I would not feel well enough to participate because of how my condition affects me 2.6, Slightly important (119)
 (5) I may not benefit personally from the development of new drugs 2.4, Not at all (117)
 (4) I am already participating in other research projects 2.3, Not at all (116)
 (8) I already feel I have a lot of appointments 2.2, Not at all (118)
Reasons for participationc
 (12) I want to help other people with the same condition as me 4.8, Very important (118)
 (14) I want the opportunity to contribute to research 4.6, Very important (119)
 (9) I may get to try new medicines which are not available to everyone with my condition 4.1, Quite important (119)
 (10) I will get additional monitoring of how my condition is changing 3.9, Quite important (119)
 (11) I will receive more regular contact with medical staff 3.7, Quite important (118)
 (13) I have participated in research before and had a positive experienceb 2.4, Slightly important (116)
Understanding of clinical trials and multi-arm multi-stage designa
 (15) Why clinical trials often need to have a group of people taking a placebo drug 4.0, Good understanding (119)
 (16) Why not everyone may be suitable to participate in a specific clinical trial 4.0, Good understanding (118)
 (17) Why researchers believe these experimental treatments may be effective 3.9, Good understanding (119)
 (19) Why having multiple ‘arms’ means we can test more than one drug and why this matters 3.5, Some understanding, (119)
 (18) What is a re-purposed medicine and why may it be effective in my condition 3.4, Some understanding (119)

c1 = Do not know, 2 = Not at all, 3 = Slightly important, 4 = Quite important, 5 = Very important

b1 = No understanding, 2 = Little understanding, 3 = Some understanding, 4 = Good understanding, 5 = Full understanding

aItems have been reverse scored, indicating less agreement with the attitude