Table 3.
Annual Incidence of Dementia and Mortality by Dementia Status Among US Adults Aged 70 and Older, 2011–2104
| Among those Without Dementia | Among those With Dementia | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 2011 | 2012 | 2013 | 2014 | p-Valuea | 2011 | 2012 | 2013 | 2014 | p-Valuea | |
| All | ||||||||||
| Dementia incidence | 3.9 | 3.4 | 3.1 | 3.4 | .368 | NA | ||||
| Mortality | 3.1 | 3.8 | 3.1 | 2.9 | .888 | 16.3 | 19.0 | 17.1 | 19.3 | .309 |
| Women | ||||||||||
| Dementia incidence | 3.7 | 4.0 | 3.1 | 3.4 | .643 | NA | ||||
| Mortality | 2.7 | 3.1 | 2.8 | 2.8 | .641 | 13.4 | 20.8 | 15.6 | 19.1 | .889 |
| Non-Hispanic white | ||||||||||
| Dementia incidence | 3.5 | 3.0 | 2.8 | 2.8 | .382 | NA | ||||
| Mortality | 3.2 | 4.0 | 3.0 | 3.0 | .803 | 16.4 | 19.9 | 16.5 | 20.5 | .502 |
| Non-Hispanic black | ||||||||||
| Dementia incidence | 4.9 | 3.5 | 3.6 | 3.7 | .579 | NA | ||||
| Mortality | 1.9 | 3.5 | 4.6 | 4.0 | .003 | 15.3 | 20.3 | 22.2 | 13.4 | .543 |
| No vascular conditions/risk factors | ||||||||||
| Dementia incidence | 3.3 | 3.0 | 2.5 | 1.5 | .079 | NA | ||||
| Mortality | 1.7 | 2.0 | 1.4 | 1.1 | .418 | 13.1 | 20.8 | 22.2 | 22.3 | .630 |
a p-Value for trend from multinomial logistic regression, controlling for months between rounds. See text for details.