Table 2 Pre- and post-test receptivity, intention, and likelihood of participating in clinical trials
Pre-test | Post-test | Difference in proportions** (95% CI) | ||||||
|---|---|---|---|---|---|---|---|---|
n | Median | IQR | n | Median | IQR | p*** | ||
Receptivity* | ||||||||
Total sample | 931 | 2 | 1.00, 2.00 | 933 | 1 | 1.00, 2.00 | 0.06 (0.03, 0.08) | < 0.0001 |
White | 646 | 2 | 1.00, 2.00 | 646 | 1 | 1.00, 2.00 | 0.05 (0.02, 0.07) | < 0.0001 |
African American | 187 | 2 | 1.00, 3.00 | 189 | 2 | 1.00, 2.00 | 0.11 (0.04, 0.18) | 0.02 |
Intention* | ||||||||
Total sample | 930 | 3 | 2.00, 3.00 | 932 | 2 | 2.00, 3.00 | 0.18 (0.15, 0.22) | < 0.0001 |
White | 645 | 3 | 2.00, 3.00 | 646 | 2 | 2.00, 3.00 | 0.20 (0.16, 0.24) | < 0.0001 |
African American | 187 | 2 | 2.00, 3.00 | 188 | 2 | 2.00, 3.00 | 0.13 (0.05, 0.22) | 0.03 |
Participate in hypothetical trial* | ||||||||
Total sample | 930 | 3 | 2.00, 4.00 | 929 | 4 | 2.00, 4.00 | 0.15 (0.12, 0.18) | < 0.0001 |
White | 645 | 3 | 2.00, 4.00 | 644 | 4 | 3.00, 4.00 | 0.14 (0.10, 0.17) | < 0.0001 |
African American | 187 | 3 | 2.00, 4.00 | 187 | 3 | 2.00, 4.00 | 0.16 (0.08, 0.23) | < 0.0001 |