Table 2.
Cognitive function and physical performance among participants from the cohorts DK-1910 and DK-1911
| All (N = 524) | DK-1910 (N = 273) | DK-1911 (N = 251) | p valuea | |
|---|---|---|---|---|
| MMSE (score) | ||||
| Mean (SE) | 21.7 (0.3) | 21.0 (0.5) | 22.4 (0.4) | 0.018 |
| N | 402 | 188 | 214 | |
| Performing test (% total) | 77 | 69 | 85 | <0.001 |
| Maximal handgrip strength (kg) | ||||
| Mean (SE) | 13.1 (0.3) | 13.7 (0.4) | 12.8 (0.4) | 0.170 |
| N | 364 | 148 | 216 | |
| Performing test (% of total) | 69 | 54 | 86 | <0.001 |
| Gait speed, 3 m (m/s) | ||||
| Mean (SE) | 0.45 (0.01) | 0.47 (0.02) | 0.44 (0.01) | 0.127 |
| N | 257 | 102 | 155 | |
| Performing test (% of total) | 49 | 37 | 62 | <0.001 |
| Single chair stand (%) | ||||
| Able | 25.5 | 28.4 | 23.2 | 0.435 |
| Able, using arms/support | 57.8 | 54.7 | 60.2 | |
| Unable | 16.7 | 16.8 | 16.6 | |
| N | 257 | 102 | 155 | |
| Attempting or performing single chair stand test (% of total) | 82 | 70 | 96 | <0.001 |
Continuous variables are presented as mean and standard error of mean (SE)
MMSE mini-mental state examination
aTwo-sided t test or Chi-square test for cohort difference