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Table 4 Effect of a 5%, 10%, 15% and 20% per decade reduction in each risk factor on future dementia prevalence (2010–2050)

From: Proportion of dementia in Australia explained by common modifiable risk factors

  Dementia estimate
Reduction per decade 2010 2020 2030 2040 2050
  242,500 384,396 553,285 760,131 942,624
5% 242,500 (0.0%) 378,293
(1.6%)
535,831
(3.3%)
724,417
(4.9%)
884,021
(6.6%)
10% 242,500
(0.0%)
371,946
(3.3%)
517,987
(6.8%)
688,631
(10.4%)
826,632
(14.0%)
15% 242,500
(0.0%)
365,346
(5.2%)
499,850
(10.7%)
653,296
(16.4%)
771,870
(22.1%)
20% 242,500
(0.0%)
358,477
(7.2%)
481,528
(14.9%)
618,937
(22.8%)
720,965
(30.7%)