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. 2020 Jul 26;10(7):e036977. doi: 10.1136/bmjopen-2020-036977

Table 3.

Acceptability of participant information and informed consent process of study participants randomised to multimedia intervention or control delivery of participant information and informed consent

Variable Control
(n=152)
Intervention
(n=146)
P value
Sufficient information was available to provide consent, n (%) 0.558
 Yes 145 (95) 138 (95)
 There was too much 1 (1) 1 (1)
 There was not enough 4 (3) 5 (3)
 Not sure 2 (1) 0
The study information was too long, n (%) 37 (24) 21 (14) 0.020
Preferred method of information delivery, n (%) 0.020
 Paper-based written document 88 (58) 60 (41)
 Multimedia 31 (18) 47 (28)
 A researcher must be present 7 (5) 4 (3)
 No preference 24 (16) 30 (21)

Data are expressed as percentages of the group total. The χ2 test was used for the comparison of categorical variables.