Table 1.
Characteristics of the population by MCI classification
| No Cognitive Impairment | MCI | OCIND | |
|---|---|---|---|
| Age mean(se) | 73.5 (0.28) | 73.8 (0.43) | 73.5 (0.31) |
| MMSE mean(se) | 27.4 (0.08) | 25.4 (0.14) | 24.4 (0.18) |
| Female N(%) | 389 (58) | 242 (62) | 439 (65) |
| Living in institutions N(%) | 8 (1.2) | 11 (2.8) | 23 (3.4) |
| Vascular disease N(%) | 134 (20) | 111 (29) | 164 (24) |
| Taking anti-depressant medication | 20 (3.0) | 23 (5.9) | 29 (4.3) |
| Taking anti-psychotic medication | 2 (0.3) | 1 (0.3) | 5 (0.7) |
| Impaired activities of daily living N(%) | 66 (10) | 69 (18) | 140 (21) |
| More than 9 years education N(%) | 310 (46) | 108 (28) | 153 (23) |
| Regular contact with family N(%) | 374 (73) | 222 (83) | 397 (79) |
| Poor self-rated health N(%) | 178 (27) | 168 (44) | 256 (38) |
| Lower social class N(%) | 365 (54) | 278 (71) | 493 (73) |