TABLE 4—
Total Life Expectancy, Life Expectancies With and Without Dementia, and Percentage of Total Life Expectancy Free of Dementia at Age 75 Years, by Education and Gender: Adult Changes in Thought Study, Northwestern United States, 1994–2010
| Educational Attainment | Total Life Expectancy, Rate (95% CI) | Life Expectancy Without Dementia, Rate (95% CI) | Life Expectancy With Dementia, Rate (95% CI) | % Total Life Expectancy Without Dementia, Age (95% CI) |
| Overall | ||||
| ≤ high school | 13.3 (10.9, 15.6) | 11.1 (9.2, 13.1) | 2.1 (1.7, 2.5) | 84.1 (77.6, 89.0) |
| Some college | 13.9 (11.0, 16.7) | 11.7 (9.3, 14.1) | 2.2 (1.6, 2.6) | 84.9 (78.2, 89.9) |
| ≥ college | 13.4 (2.3, 16.0) | 11.8 (0.0, 14.0) | 1.6 (1.4, 1.7) | 88.3 (84.3, 91.4) |
| Male | ||||
| ≤ high school | 11.9 (9.4, 14.5) | 10.2 (8.1, 12.3) | 1.7 (1.4, 2.1) | 86.2 (80.8, 90.2) |
| Some college | 12.8 (9.9, 16.0) | 11.3 (8.8, 14.0) | 1.5 (1.1, 2.0) | 88.9 (84.2, 92.3) |
| ≥ college | 12.3 (7.9, 15.0) | 10.9 (6.5, 13.0) | 1.4 (1.4, 1.9) | 88.7 (85.8, 91.0) |
| Female | ||||
| ≤ high school | 14.1 (11.7, 16.8) | 11.7 (9.7, 13.9) | 2.4 (1.9, 2.8) | 82.8 (77.7, 87.0) |
| Some college | 14.4 (11.5, 17.4) | 12.0 (9.7, 14.5) | 2.4 (1.9, 2.9) | 83.3 (78.9, 87.0) |
| ≥ college | 14.5 (9.8, 17.8) | 12.8 (8.2, 15.5) | 1.7 (1.6, 2.3) | 87.7 (84.6, 90.3) |
Note. CI = confidence interval. The sample size was n = 3605.