Prevalence of cognitive impairment and dementia both overall and stratified by age and gender
| All persons | Men | Women | ||||
|---|---|---|---|---|---|---|
| Age | No | n (%) | No | n (%) | No | n (%) |
| Any cognitive impairment | ||||||
| 60–64 years | 495 | 29 (5.9) | 279 | 16 (5.7) | 216 | 13 (6.0) |
| 65–69 years | 275 | 34 (12.4) | 140 | 10 (7.1) | 135 | 24 (17.8) |
| 70–74 years | 266 | 41 (15.4) | 152 | 20 (13.2) | 114 | 21 (18.4) |
| 75–79 years | 131 | 41 (31.3) | 76 | 17 (22.4) | 55 | 24 (43.6) |
| ≥80 years | 59 | 26 (44.1) | 26 | 6 (23.1) | 33 | 20 (60.6) |
| Crude | 1226 | 171 (13.9) | 673 | 69 (10.3) | 553 | 102 (18.4) |
| Adjusted | 15.2 (12.8–17.6)* | 10.6 (7.8–13.3)* | 19.9 (15.9–23.8)* | |||
| CIND mild | ||||||
| 60–64 years | 495 | 22 (4.4) | 279 | 13 (4.7) | 216 | 9 (4.2) |
| 65–69 years | 275 | 19 (6.9) | 140 | 7 (5.0) | 135 | 12 (8.9) |
| 70–74 years | 266 | 20 (7.5) | 152 | 10 (6.6) | 114 | 10 (8.8) |
| 75–79 years | 131 | 14 (10.7) | 76 | 9 (11.8) | 55 | 5 (9.1) |
| ≥80 years | 59 | 9 (15.3) | 26 | 2 (7.7) | 33 | 7 (21.2) |
| Crude | 1226 | 84 (6.9) | 673 | 41 (6.1) | 553 | 43 (7.8) |
| Adjusted | 7.2 (5.6–8.8)* | 6.0 (4.1–8.0)* | 8.3 (5.8–10.8)* | |||
| CIND moderate/dementia | ||||||
| 60–64 years | 495 | 7 (1.4) | 279 | 3 (1.1) | 216 | 4 (1.9) |
| 65–69 years | 275 | 15 (5.5) | 140 | 3 (2.1) | 135 | 12 (8.9) |
| 70–74 years | 266 | 21 (7.9) | 152 | 10 (6.6) | 114 | 11 (9.6) |
| 75–79 years | 131 | 27 (20.6) | 76 | 8 (10.5) | 55 | 19 (34.5) |
| ≥80 years | 59 | 17 (28.8) | 26 | 4 (15.4) | 33 | 13 (39.4) |
| Crude | 1226 | 87 (7.1) | 673 | 28 (4.2) | 553 | 59 (10.7) |
| Adjusted | 7.9 (6.2–9.7)* | 4.5 (2.7–6.4)* | 11.6 (8.5–14.6)* | |||
*Age standardised rates (95% CI) compared with world standard population.
CIND, cognitive impairment no dementia.