Subject characteristics
| Testing unreliable* | |||||||
|---|---|---|---|---|---|---|---|
| Age (y) | N | MMSE (mean (SD)) | Male (n (%)) | Age at leaving school (mean (SD)) | Learning T (n (%)) | Stroop (n (%)) | Coding test (n (%)) |
| MMSE; Mini Mental Status Examination, Learning T; picture-word learning test, Stroop; Stroop colour-word test, Coding test; letter-digit coding test. *As judged by the study nurse. | |||||||
| ≤71 | 1174 | 28.20 (1.49) | 643 (54.8) | 15.13 (2.22) | 88 (7.5) | 110 (9.4) | 110 (9.4) |
| 72–73 | 1198 | 28.19 (1.47) | 626 (52.3) | 15.20 (2.21) | 86 (7.2) | 102 (8.5) | 102 (8.5) |
| 74–75 | 1077 | 28.08 (1.54) | 509 (47.3) | 15.17 (2.08) | 102 (9.5) | 115 (10.7) | 115 (10.7) |
| 76–77 | 966 | 27.86 (1.62) | 449 (46.5) | 14.97 (1.99) | 121 (12.5) | 120 (12.4) | 120 (12.4) |
| 78–79 | 751 | 27.81 (1.65) | 324 (43.1) | 15.20 (2.02) | 88 (11.7) | 101 (13.5) | 101 (13.5) |
| ≥80 | 638 | 27.66 (1.57) | 253 (39.7) | 15.24 (2.29) | 73 (11.4) | 96 (15.1) | 96 (15.1) |
| Total | 5804 | 28.01 (1.56) | 2804 (48.3) | 15.15 (2.14) | 558 (9.6) | 644 (11.1) | 644 (11.1) |