Table 3.
Cognitive function and physical performance among participants from DK-1910 and DK-1911 answering alone or mainly alone
| All (N = 524) | DK-1910 (N = 273) | DK-1911 (N = 251) | p valuea | |
|---|---|---|---|---|
| MMSE (score) | ||||
| Mean (SE) | 23.0 (0.3) | 22.4 (0.5) | 23.5 (0.4) | <0.001 |
| n | 335 | 152 | 183 | |
| Maximal handgrip strength (kg) | ||||
| Mean (SE) | 13.7 (0.4) | 14.4 (0.5) | 13.3 (0.5) | 0.140 |
| n | 364 | 120 | 177 | |
| Gait speed, 3 m (m/s) | ||||
| Mean (SE) | 0.46 (0.01) | 0.47 (0.02) | 0.45 (0.01) | 0.413 |
| n | 218 | 86 | 132 | |
| Single chair stand (%) | ||||
| Able | 30.4 | 33.6 | 27.8 | 0.189 |
| Able, using arms/support | 57.7 | 52.4 | 62.0 | |
| Unable | 11.9 | 14.1 | 10.2 | |
| N | 336 | 149 | 187 | |
Continuous variables are presented as mean and standard error of mean
MMSE mini-mental state examination
aTwo-sided t test or Chi-square test for cohort difference