Table 2.
Outcome Measures for Candrive Participants Years 1–7 (abbreviated)
| Parameters | Year 1 (n = 928) | Year 2 (n = 884) | Year 3 (n = 831) | Year 4 (n = 753) | Year 5 (n = 583) | Year 6 (n = 387) | Year 7 (n = 149) |
|---|---|---|---|---|---|---|---|
| Montreal Cognitive Assessment | |||||||
| Total; mean (SD) | 25.9 (2.5) | 26.1 (2.6) | 25.8 (2.6) | 26.0 (2.6) | 26.1 (4.0) | 26.1 (2.6) | 26.5 (2.5) |
| Abstraction (scale 0–2); no. (%) | |||||||
| 0 | 81 (8.8) | 58 (6.6) | 66 (8.0) | 43 (5.7) | 34 (5.9) | 14 (3.6) | 9 (6.0) |
| 1 | 202 (21.8) | 196 (22.3) | 158 (19.0) | 144 (19.2) | 90 (15.6) | 50 (13.0) | 15 (10.1) |
| 2 | 642 (69.4) | 627 (71.2) | 606 (73.0) | 565 (75.1) | 454 (78.6) | 322 (83.4) | 125 (83.9) |
| Missing values | 3 | 3 | 1 | 1 | 5 | 1 | — |
| Delayed recall (scale 0–5); no. (%) | |||||||
| 0 | 64 (6.9) | 65 (7.4) | 76 (9.2) | 73 (9.7) | 64 (11.1) | 40 (10.4) | 19 (12.8) |
| 1 | 74 (8.0) | 61 (6.9) | 85 (10.2) | 70 (9.3) | 44 (7.6) | 40 (10.4) | 10 (6.7) |
| 2 | 163 (17.6) | 138 (15.7) | 148 (17.8) | 129 (17.2) | 96 (16.6) | 71 (18.4) | 17 (11.4) |
| 3 | 230 (24.8) | 206 (23.4) | 182 (21.9) | 174 (23.1) | 136 (23.5) | 78 (20.2) | 31 (20.8) |
| 4 | 246 (26.6) | 226 (25.7) | 197 (23.7) | 151 (20.1) | 138 (23.9) | 87 (22.5) | 41 (27.5) |
| 5 | 149 (16.1) | 185 (21.0) | 142 (17.1) | 155 (20.6) | 100 (17.3) | 70 (18.1) | 31 (20.8) |
| Missing values | 2 | 3 | 1 | 1 | 5 | 1 | — |
| Road sign recognition; no. (%) | |||||||
| Incorrect | 76 (8.2) | 67 (7.6) | 69 (8.3) | 58 (7.8) | 46 (8.1) | 23 (6.0) | 14 (9.5) |
| Correct | 847 (91.8) | 810 (92.4) | 762 (91.7) | 688 (92.2) | 524 (91.9) | 361 (94.0) | 134 (90.5) |
| Missing values | 5 | 7 | 0 | 7 | 13 | 3 | 1 |
| Walking aid; no. (%) | |||||||
| No | 848 (91.4) | 789 (89.3) | 730 (87.9) | 652 (86.6) | 507 (87.0) | 328 (84.8) | 135 (90.6) |
| Yes | 80 (8.6) | 95 (10.8) | 101 (12.2) | 101 (13.4) | 76 (13.0) | 59 (15.3) | 14 (9.4) |
| Missing values | — | — | — | — | — | — | — |
Note: SD = standard deviation.