Table 1.
Characteristics of total sample and subpopulations who are "very likely" to obtain preclinical AD test
| Entire sample | Very likely to get early medical test for AD | ||||
|---|---|---|---|---|---|
| Entire sample | 30.0% | [28.1 to 31.9] | |||
| Have/had immediate blood relative with AD | |||||
| No | 77.1% | [75.2 to 79.0] | 27.8%*** | [25.7 to 30.1] | |
| Yes | 22.9% | [21.0 to 24.8] | 35.3% | [31.2 to 39.7] | |
| Served as decision-maker or caretaker for AD patient | |||||
| No | 83.0% | [81.4 to 84.7] | 27.9%* | [25.8 to 30.0] | |
| Yes | 17.0% | [15.3 to 18.6] | 40.4% | [35.6 to 45.5] | |
| Worried will get Alzheimer's disease | |||||
| Not too/not at all/don't know/refused | 55.3% | [53.1 to 57.5] | 23.5%** | [21.2 to 26.0] | |
| Very/somewhat worried | 44.7% | [42.5 to 46.9] | 38.1% | [35.1 to 41.2] | |
| Health status | |||||
| Fair/poor | 20.3% | [18.5 to 22.2] | 34%* | [29.8 to 38.4] | |
| Excellent/very good/good | 79.7% | [77.8 to 81.5] | 28.9% | [26.8 to 31.1] | |
| Think AD is fatal | |||||
| No/Don't know/refused | 55.5% | [53.3 to 57.7] | 28.9% | [26.4 to 31.5] | |
| Yes | 44.5% | [42.3 to 46.7] | 31.4% | [28.6 to 34.4] | |
| Marital status | |||||
| No | 46.3% | [44.1 to 48.6] | 28.9% | [26.1 to 31.9] | |
| Yes | 53.7% | [51.4 to 55.9] | 30.9% | [28.4 to 33.6] | |
| Expect paid caregiver to be primary caretaker if develop AD | |||||
| No | 70.8% | [68.7 to 72.8] | 28.6%* | [26.3 to 30.9] | |
| Yes | 29.2% | [27.2 to 31.3] | 33.4% | [29.8 to 37.2] | |
| Believe an effective AD treatment is available now or will be in five years | |||||
| No/don't know/refused | 32.1% | [30.0 to 34.2] | 28.5% | [25.3 to 32.0] | |
| Yes | 67.9% | [65.8 to 70.0] | 30.8% | [28.4 to 33.2] | |
| Age | |||||
| 18 to 29 | 23.7% | [21.7 to 25.8] | 25.3%** | [21.3 to 29.9] | |
| 30 to 49 | 37.2% | [35.1 to 39.4] | 25.1% | [22.2 to 28.2] | |
| 50 to 64 | 21.6% | [19.9 to 23.3] | 36.9% | [33.1 to 40.9] | |
| 65 to 74 | 11.6% | [10.2 to 13.0] | 38.9% | [33.2 to 45.0] | |
| 75 to 85+ | 5.9% | [4.9 to 6.9] | 34.3% | [27.0 to 42.3] | |
| Gender | |||||
| Male | 48.2% | [46.0 to 50.5] | 27.7%* | [24.9 to 30.5] | |
| Female | 51.8% | [49.5 to 54.0] | 32.2% | [29.6 to 34.9] | |
| Educational attainment | |||||
| Low | 32.5% | [30.4 to 34.6] | 32.4%* | [29.0 to 35.9] | |
| Middle | 30.2% | [28.1 to 32.3] | 32.1% | [28.6 to 35.9] | |
| High | 37.3% | [35.1 to 39.5] | 25.9% | [23.0 to 29.0] | |
| Country | |||||
| France | 20.8% | [19.0 to 22.6] | 26.8%*** | [22.9 to 31.2] | |
| Germany | 17.9% | [16.2 to 19.7] | 23.6% | [19.7 to 28.0] | |
| Poland | 17.8% | [16.1 to 19.5] | 30.5% | [26.2 to 35.2] | |
| Spain | 18.4% | [16.6 to 20.1] | 39.6% | [34.9 to 44.4] | |
| United States | 25.1% | [23.1 to 27.0] | 29.7% | [26.0 to 33.7] | |
| Race (U.S. Only, N = 639) | |||||
| White | 68.3% | [64.3 to 72.4] | 25.3% | [21.1 to 30.0] | |
| Black | 11.6% | [9.1 to 13.9] | 45.1% | [34.6 to 56.0] | |
| Hispanic | 14.1% | [11.3 to 16.9] | 34.7% | [25.7 to 44.8] | |
| Other (Asian, Pacific Islander, Native American, Other) | 6.1% | [3.1 to 8.9] | 39.1% | [18.1 to 65.2] | |
| Would see doctor if showing symptoms of AD | |||||
| No | 9.2% | [7.8 to 10.5] | 19%** | [13.3 to 26.6] | |
| Yes | 90.8% | [89.5 to 92.2] | 31.4% | [29.4 to 33.5] | |
N = 2,678; *P < .05; **P < .01; ***P < .001 using chi-square tests of differences between expected and observed distributions. Sample sizes vary across categories due to missing data. Confidence intervals in brackets.