Prevalence of Depression and Dementia among Adults with Developmental Disabilities in Manitoba, Canada

Table 2

Dementia prevalence (per 100 population), 2000/01–2004/05.

Study population and age groupings	Total 𝑁	Number with dementia	Prevalence (95% CI)
DD cohort
20–54 Yrs	1,401	73	5.21 (4.05, 6.37)
55+ Yrs	218	30	13.76 (9.19, 18.33)
Matched comparison group (no DD)
20–54 Yrs	2,798	39	1.39(0.96, 1.83)
55+ Yrs	433	15	3.46 (1.74, 5.19)