Demographic characteristics of survey respondents: Health Information National Trends Survey, 2020
| Knowledge of clinical trials | Total | Don't know | Know a little bit | Know a lot | p-value |
|---|---|---|---|---|---|
| Population | |||||
| Unweighted, n | 3,772 | 1,406 | 1,930 | 436 | |
| Weighted, n (%) | 249,896,898 | 103,224,262 (41.3) | 123,208,910 (49.3) | 23,463,727 (9.4) | |
| Race/ethnicity | 0.013 | ||||
| Non-Hispanic White, n (%) | 2,209 (63.2) | 696 (37.4) | 1,237 (52.3) | 276 (10.1) | |
| Non-Hispanic Black, n (%) | 548 (11.7) | 229 (41.8) | 268 (51.5) | 51 (6.68) | |
| Hispanic, n (%) | 585 (16.2) | 301 (51.8) | 229 (40.4) | 55 (7.66) | |
| Other, n (%) | 297 (8.7) | 114 (45.9) | 141 (43.3) | 42 (10.7) | |
| Education | <0.0001 | ||||
| Less than high school, n (%) | 266 (8.00) | 177 (68.1) | 75 (29.6) | 14 (2.15) | |
| High school graduate, n (%) | 686 (22.3) | 396 (53.5) | 262 (44.1) | 28 (2.28) | |
| Some college, n (%) | 1,061 (39.2) | 407 (41.8) | 577 (51.6) | 77 (6.46) | |
| College or higher, n (%) | 1,640 (30.3) | 366 (23.8) | 971 (55.9) | 303 (20.1) | |
| Family income | 0.0001 | ||||
| >$20,000, n (%) | 725 (16.4) | 369 (50.1) | 290 (41.2) | 66 (8.52) | |
| $20,000–$34,999, n (%) | 472 (11.2) | 203 (43.3) | 231 (50.6) | 38 (5.97) | |
| $35,000–$49,999, n (%) | 507 (12.5) | 209 (49.4) | 250 (42.5) | 48 (7.98) | |
| $50,000–$74,999, n (%) | 640 (17.9) | 232 (39.0) | 352 (54.1) | 56 (6.86) | |
| $75,000, n (%) | 1,411 (41.7) | 384 (35.8) | 799 (51.8) | 228 (12.3) | |
| Employment | 0.050 | ||||
| Employed, n (%) | 1,684 (52.9) | 546 (38.7) | 918 (50.2) | 220 (11.0) | |
| Not employed, n (%) | 2,022 (47.0) | 827 (43.8) | 988 (48.8) | 207 (7.29) | |
| Health insurance | 0.001 | ||||
| Yes, n (%) | 3,531 (90.9) | 1,290 (39.2) | 1,826 (50.7) | 415 (10.0) | |
| No, n (%) | 195 (9.01) | 96 (60.1) | 86 (36.0) | 13 (3.80) | |
| General health | 0.0002 | ||||
| Excellent, n (%) | 434 (12.3) | 115 (32.4) | 230 (49.5) | 89 (17.9) | |
| Very good, n (%) | 1,337 (37.4) | 437 (39.4) | 731 (50.5) | 169 (10.0) | |
| Good, n (%) | 1,368 (36.1) | 548 (43.0) | 695 (50.6) | 125 (6.34) | |
| Fair, n (%) | 509 (12.0) | 239 (48.5) | 228 (43.4) | 42 (8.03) | |
| Poor, n (%) | 105 (2.01) | 56 (55.7) | 38 (35.7) | 11 (8.44) | |
| Patient portal use | <0.0001 | ||||
| No, n (%) | 2,165 (59.7) | 997 (48.9) | 993 (45.2) | 175 (5.77) | |
| Yes, n (%) | 1,529 (40.2) | 369 (28.7) | 908 (56.1) | 252 (15.0) | |
| Online health information-seeking behaviour | <0.0001 | ||||
| No, n (%) | 1,135 (27.5) | 641 (57.1) | 430 (38.9) | 64 (3.86) | |
| Yes, n (%) | 2,637 (72.4) | 765 (35.2) | 1,500 (53.2) | 372 (11.4) | |
| Number of visits to provider | 0.002 | ||||
| 0, n (%) | 494 (16.8) | 246 (52.0) | 200 (41.7) | 48 (6.18) | |
| 1–2, n (%) | 1,248 (37.3) | 459 (42.5) | 650 (48.2) | 139 (9.18) | |
| 3–4, n (%) | 1,083 (24.3) | 391 (35.1) | 567 (55.2) | 125 (9.59) | |
| ≥5, n (%) | 915 (21.5) | 295 (37.6) | 499 (50.1) | 121 (12.1) |