Table 2 Incidence rates (1000 person-years) of dementia onset by sex, age, and educational attainment
Young-old | Old-old | |||
|---|---|---|---|---|
Incidence rate | 95% CI | Incidence rate | 95% CI | |
Sex | ||||
Male | 9.3 | 8.3–10.4 | 36.2 | 32.8–39.9 |
Female | 9.3 | 8.4–10.5 | 43.9 | 40.7–47.4 |
Age | ||||
65–69 | 5.5 | 4.8–6.4 | – | – |
70–74 | 14.3 | 13.0–15.8 | – | – |
75–79 | – | – | 31.3 | 28.8–34.1 |
80–84 | – | – | 51.5 | 46.3–57.3 |
≥ 85 | – | – | 83.3 | 71.8–96.8 |
Educational attainment | ||||
< 10 yrs | 10.2 | 9.2–11.3 | 42.6 | 39.4–45.9 |
≥ 10 yrs | 8.9 | 7.8–10.1 | 36.2 | 32.6–40.1 |