Table 3.
Familiarity with one or more versus no terms: descriptive statistics, adjusted ORs, 95% CIs and p values for variables in the multivariable binary logistic regression model
| Characteristic | Total (n=1888) |
Familiarity with no terms versus at least one term: n (%) | Adjusted OR, 95% CI | P values | |
| No term (n=1095; 58.0 %) | At least one term (n=793; 42.0 %) | At least one familiar term (vs none) |
|||
| Overdiagnosis information | |||||
| Breast screening text | 987 | 583 (59.1) | 404 (40.9) | 0.87, 0.70 to 1.09 | 0.224 |
| versus prostate screening text | 901 | 512 (56.8) | 389 (43.2) | ||
| Gender | |||||
| Male | 879 | 534 (60.8) | 345 (39.2) | 1.00, 0.79 to 1.26 | 0.998 |
| versus female | 1009 | 561 (55.6) | 448 (44.4) | ||
| Ethnicity | |||||
| White British | 1432 | 775 (54.1) | 657 (45.9) | 2.14, 1.61 to 2.84 | <0.0005 |
| versus other ethnic groups | 456 | 320 (70.2) | 136 (29.8) | ||
| Marital status | |||||
| Married or living as a couple | 1133 | 661 (58.3) | 472 (41.7) | 0.87, 0.69 to 1.09 | 0.216 |
| versus single, widowed, divorced or separated | 755 | 434 (57.5) | 321 (42.5) | ||
| Highest level of education | Overall: <0.0005 | ||||
| Other levels | 199 | 116 (58.3) | 83 (41.7) | 2.32, 1.46 to 3.68 | <0.0005 |
| Approximately level 4 | 507 | 219 (43.2) | 288 (56.8) | 4.17, 2.75 to 6.33 | <0.0005 |
| Approximately level 1, 2 or 3 | 890 | 532 (59.8) | 358 (40.2) | 2.19, 1.52 to 3.15 | <0.0005 |
| versus no formal qualifications or don’t know | 292 | 228 (78.1) | 64 (21.9) | ||
| Social class grade | Overall: 0.050 | ||||
| Grade A or B | 386 | 170 (44.0) | 216 (56.0) | 1.54, 1.09 to 2.17 | 0.014 |
| Grade C1 or C2 | 931 | 542 (58.2) | 389 (41.8) | 1.19, 0.91 to 1.55 | 0.201 |
| versus grade D or E | 571 | 383 (67.1) | 188 (32.9) | ||
| Personal diagnosis of cancer | |||||
| Yes | 98 | 49 (50.0) | 49 (50.0) | 1.10, 0.68 to 1.80 | 0.690 |
| versus no | 1790 | 1046 (58.4) | 744 (41.6) | ||
| Knows someone with cancer | |||||
| Yes | 1113 | 562 (50.5) | 551 (49.5) | 1.50, 1.19 to 1.89 | 0.001 |
| versus no or don’t know | 775 | 533 (68.8) | 242 (31.2) | ||
| Previously read a screening leaflet | |||||
| Yes | 1058 | 535 (50.6) | 523 (49.4) | 1.27, 0.97 to 1.66 | 0.089 |
| versus no or not sure | 830 | 560 (67.5) | 270 (32.5) | ||
| Previously read an NHS screening website | |||||
| Yes | 324 | 125 (38.6) | 199 (61.4) | 1.45, 1.07 to 1.97 | 0.016 |
| versus no or not sure | 1564 | 970 (62.0) | 594 (38.0) | ||
| Discussed screening with doctor/nurse | |||||
| Yes | 624 | 276 (44.2) | 348 (55.8) | 1.34, 1.03 to 1.74 | 0.030 |
| versus no | 1264 | 819 (64.8) | 445 (35.2) | ||
| Previously read or heard similar information | |||||
| Yes | 662 | 266 (40.2) | 396 (59.8) | 2.30, 1.81 to 2.94 | <0.0005 |
| versus no or not sure | 1226 | 829 (67.6) | 397 (32.4) | ||
| Endorsed any term(s) as making sense | |||||
| Yes | 1051 | 426 (40.5) | 625 (59.5) | 4.92, 3.94 to 6.17 | <0.0005 |
| No | 837 | 669 (79.9) | 168 (20.1) | ||
| Perceived clarity of information | Overall: 0.534 | ||||
| Extremely clear | 170 | 87 (51.2) | 83 (48.8) | 0.85, 0.52 to 1.40 | 0.525 |
| Very clear | 636 | 339 (53.3) | 297 (46.7) | 0.97, 0.65 to 1.43 | 0.860 |
| Moderately clear | 685 | 424 (61.9) | 261 (38.1) | 0.78, 0.53 to 1.16 | 0.225 |
| Slightly clear | 206 | 130 (63.1) | 76 (36.9) | 0.92, 0.57 to 1.49 | 0.745 |
| versus not at all clear | 191 | 115 (60.2) | 76 (39.8) | ||
| Mean (SD) | |||||
| Age (in years) | 1888 | 43.8 (15.7) | 43.3 (15.8) | 0.99, 0.98 to 1.00 | 0.003 |
Note: adjusted ORs and 95% CIs are relative to a stated reference category except age, which is per unit increase; p values <0.05 are in bold; all predictor variables are included in the model.
NHS, National Health Service.