Table 4 Prevalence of dementia in relation to stroke in two birth cohorts of 85-year-olds.

From: Decreasing prevalence of dementia in 85-year olds examined 22 years apart: the influence of education and stroke

 

1986–87

2008–10

Interaction birth cohort*stroke for prevalence of dementia

Prevalent stroke

OR (95%-CI)

Prevalent stroke

OR (95%-CI)

No

Yes

No

Yes

Prevalent dementia

Prevalent dementia

Prevalent dementia

Prevalent dementia

% (N)

% (N)

% (N)

% (N)

p

Men

23.5 (28)

45.8 (11)

2.8 (1.1–6.8)

16.2 (24)

23.4 (15)

1.6 (0.8–3.3)

0.31

Women

23.4 (66)

60.9 (42)

5.1 (2.9–8.9)

20.1 (54)

34.1 (31)

2.0 (1.2–3.5)

0.02

All

23.4 (94)

57.0 (53)

4.3 (2.7–6.9)

18.8 (78)

29.7 (46)

1.8 (1.2–2.8)

0.008

  1. Odds ratio (OR) describes OR for dementia in prevalent stroke. No prevalent stroke is reference value for all odds ratio.