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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Clin Transl Sci. 2014 May 19;7(6):430–440. doi: 10.1111/cts.12167

Table 2.

Relationship of “Top Box” rating of the overall research experience and respondent characteristic or responses to specific actionable questions (N=3180-4961)

Respondent characteristic or Question Response Option (percentage) Percentage with a Particular Characteristic or Question Response Option Who Rated Their Overall Research Experience “Top Box”* P-Value

Sample Characteristics
Study limited to participants with certain disease
 Yes (63%) 73 Exact P=0.09
 No (37%) 74

Study involved drug or new device/procedure
 Yes (49%) 74 Exact P=0.92
 No (51%) 74

Dimension: Communication/Information/Education
Research doctor listened carefully
 Always (86%) 79 Trend P<0.0001
 Usually (11%) 41
 Sometimes/Never (3%) 26

Nurse listened carefully
 Always (97%) 79 Trend P<0.0001
 Usually (1%) 35
 Sometimes/Never (1%) 18

Research doctor answered questions so I could understand
 Always (87%) 79 Trend P<0.0001
 Usually (11%) 38
 Sometimes/Never (2%) 31

Nurse answered questions so I could understand
 Always (91%) 78 Trend P<0.0001
 Usually (7%) 33
 Sometimes/Never (1%) 21

Dimension: Respect for Participant Preferences
Principal investigator treated me with courtesy and respect
 Always (94%) 77 Trend P<0.0001
 Usually (5%) 23
 Sometimes/Never (1%) 26

Research nurse treated me with courtesy and respect
 Always (96%) 76 Trend P<0.0001
 Usually (4%) 19
 Sometimes/Never (<1%) 19

Met with principal investigator as much as I wanted to
 Always (61%) 84 Trend P<0.0001
 Usually (28%) 60
 Sometimes/Never (11%) 50

Dimension: Trust
Had confidence and trust in the principal investigator
 Always (90%) 78 Trend P<0.001
 Usually (8%) 33
 Sometimes/Never (1%) 27

Had confidence and trust in the research nurse
 Always (90%) 78 Trend P<0.0001
 Usually (9%) 32
 Sometimes/Never (2%) 20

Dimension: Informed Consent

Felt pressure from the research staff to join
 Never (94%) 75 P<0.001
 Not Never** (6%) 46

Risks included in the informed consent form
 Always (81%) 80 P<0.001
 Not Always*** (19%) 49

Study details included in the informed consent form
 Yes (80%) 80 P<0.001
 No (20%) 52

Had enough time before signing consent
 Yes (79%) 79 P<0.001
 No (21%) 49

Informed consent form understandable
 Always (78%) 79 P<0.001
 Not Always* (22%) 54

Prepared for what to expect by informed consent form
 Completely (67%) 83 P<0.001
 Mostly + Somewhat + Not at all (33%) 53
*

“Top-Box” ratings were either a “9” or “10” on a 10 point scale, with 10 being best.

**

”Not Never” combines responses “Sometimes” + “Usually” + “Always”

***

”Not Always” combines responses “Usually” + “Sometimes” + “Never”