Table 1.

Characteristics of respondents to the pre- and post-tests

Category	Completed pre-test (n = 105)	Completed post-test (n = 14)
Sex, n (%)
Male	15/105 (14.3%)	2/14 (14.3%)
Female	90/105 (85.7%)	12/14 (85.7%)
United States resident, n (%)
Yes	87/105 (82.9%)	11/14 (78.6%)
No	17/105 (16.2%)	2/14 (14.3%)
Unknown	1/105 (.952%)	1/14 (7.14%)
Age (LQ^a-UQ^b), years	35.00 (28.00–47.00)	31.50 (24.00–37.75)
Race or ethnicity^c
African American	19/105 (18.1%)	3/14 (21.4%)
Native American, American Indian, or Alaskan Native	1 (0.95%)	0/14 (0%)
Asian or Pacific Islander	11/105 (10.48%)	4/14 (28.6%)
White	58/105 (55.2%)	7/14 (50.0%)
Latino or Spanish	12/105 (11.4%)	2/14 (14.3%)
Other	3/105 (2.86%)	0/14 (0%)
Prefer not to answer	4/105 (3.81%)	0/14 (0%)
Recruiter
Yes	61/104 (58.7%)	11/14 (78.6%)
No	43/104 (41.4%)	3/14 (21.4%)
Years involved in recruitment, (LQ^a-UQ^b)	2.00 (1.00–5.00)	1.75 (0.88–10.00)
Occupation
Community health worker	2/105 (1.9%)	0/14 (0%)
Clinical research associate	6/105 (5.71%)	0/14 (0%)
Clinical research coordinator or clinical trial manager	33/105 (31.4%)	5/14 (35.7%)
Physician	7/105 (6.67%)	1/14 (7.14%)
Physician assistant	1/105 (0.95%)	0/14 (0%)
Nurse	4/105 (3.81%)	1/14 (7.14%)
Allied health professional	3/105 (2.86%)	0/14 (0%)
Student	15/105 (14.3%)	3/14 (21.4%)
Other	34/105 (32.4%)	4/14 (28.6%)

Data are proportions (%) or medians (interquartile range). Percentages may not equal 100% due to rounding

^aLQ Lower quartile

^bUQ Upper quartile

^cNote that participants could select more than one option