Table 1.
Baseline demographic characteristics of participants by trial and list experiment arms (collected from 14,482 participants between May 2020 and June 2020).
| Characteristic | Do-nothing | APCa | CoVideo | P value | |||||||||
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Control list, n (%) | Treatment list, n (%) | Control list, n (%) | Treatment list, n (%) | Control list, n (%) | Treatment list, n (%) |
|
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| Age | .98 | ||||||||||||
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18-24 years | 672 (27.7) | 691 (27.8) | 649 (27.0) | 640 (26.9) | 656 (27.2) | 667 (27.9) |
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25-34 years | 877 (36.2) | 902 (36.3) | 866 (36.1) | 880 (37.0) | 884 (36.7) | 848 (35.5) |
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|
35-44 years | 475 (19.6) | 502 (20.2) | 484 (20.2) | 456 (19.2) | 479 (19.9) | 470 (19.7) |
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|
45-54 years | 285 (11.8) | 295 (11.9) | 297 (12.4) | 279 (11.7) | 280 (11.6) | 299 (12.5) |
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|
55-59 years | 116 (4.8) | 93 (3.7) | 104 (4.3) | 122 (5.1) | 110 (4.6) | 104 (4.4) |
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| Gender | .38 | ||||||||||||
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Female | 1316 (54.3) | 1298 (52.3) | 1353 (56.4) | 1269 (53.4) | 1306 (54.2) | 1310 (54.9) |
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Male | 1090 (44.9) | 1167 (47.0) | 1037 (43.2) | 1092 (45.9) | 1088 (45.2) | 1063 (44.5) |
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Other | 19 (0.8) | 18 (0.7) | 10 (0.4) | 16 (0.7) | 15 (0.6) | 15 (0.6) |
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| Country of residence | >.99 | ||||||||||||
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Germany | 118 (4.9) | 135 (5.4) | 132 (5.5) | 116 (4.9) | 130 (5.4) | 124 (5.2) |
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Mexico | 116 (4.8) | 119 (4.8) | 119 (5.0) | 117 (4.9) | 114 (4.7) | 117 (4.9) |
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Spain | 124 (5.1) | 126 (5.1) | 125 (5.2) | 121 (5.1) | 123 (5.1) | 122 (5.1) |
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|
United Kingdom | 1418 (58.5) | 1453 (58.5) | 1384 (57.7) | 1437 (60.5) | 1429 (59.3) | 1398 (58.5) |
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United States | 649 (26.8) | 650 (26.2) | 640 (26.7) | 586 (24.7) | 613 (25.4) | 627 (26.3) |
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| Education status | .35 | ||||||||||||
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|
Primary school | 66 (2.7) | 90 (3.6) | 66 (2.8) | 61 (2.6) | 83 (3.4) | 87 (3.6) |
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High school | 360 (14.8) | 377 (15.2) | 383 (16.0) | 360 (15.1) | 364 (15.1) | 373 (15.6) |
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Bachelor’s, some college | 1551 (64.0) | 1570 (63.2) | 1529 (63.7) | 1507 (63.4) | 1526 (63.3) | 1497 (62.7) |
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|
Master’s/PhD | 448 (18.5) | 446 (18.0) | 422 (17.6) | 449 (18.9) | 436 (18.1) | 431 (18.0) |
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| First language | >.99 | ||||||||||||
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|
German | 117 (4.8) | 135 (5.4) | 130 (5.4) | 116 (4.9) | 128 (5.3) | 124 (5.2) |
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English | 2068 (85.3) | 2103 (84.7) | 2026 (84.4) | 2022 (85.1) | 2044 (84.8) | 2025 (84.8) |
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Spanish (Mexico) | 124 (5.1) | 126 (5.1) | 125 (5.2) | 123 (5.2) | 123 (5.1) | 122 (5.1) |
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|
Spanish | 116 (4.8) | 119 (4.8) | 119 (5.0) | 116 (4.9) | 114 (4.7) | 117 (4.9) |
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