Table 1 Demographic characteristics of the participants stratified by handgrip strength status and type of sensory impairment at baseline.
Variable | Total (n = 2930) | Normal handgrip strength (n = 1656) | p | Low handgrip strength (n = 1274) | p | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
NI (n = 1263) | VI (n = 290) | HI (n = 73) | DI (n = 30) | NI (n = 766) | VI (n = 316) | HI (n = 79) | DI (n = 113) | ||||
Age, mean (SD) | 73.5 ± 6.1 | 71.4 ± 5.2 | 72.2 ± 5.2 | 73.9 ± 5.5 | 76.0 ± 5.3 | *** | 74.5 ± 6.0 | 76.3 ± 6.1 | 78.7 ± 6.0 | 80.2 ± 6.3 | *** |
Female, n (%) | 1599 (54.6%) | 650 (51.5%) | 163 (56.2%) | 27 (37.0%) | 13 (43.3%) | * | 411 (53.7%) | 229 (72.5%) | 45 (57.0%) | 61 (54.0%) | *** |
Primary school or less, n (%) | 1671 (57.0%) | 595 (47.1%) | 173 (59.7%) | 34 (46.6%) | 17 (56.7%) | ** | 454 (59.3%) | 249 (78.8%) | 59 (74.7%) | 90 (79.6%) | *** |
Married, n (%) | 2116 (72.2%) | 990 (78.4%) | 210 (72.4%) | 61 (83.6%) | 20 (66.7%) | * | 544 (71.0%) | 173 (54.7%) | 56 (70.9%) | 62 (54.9%) | *** |
K-MMSE, mean (SD) | 24.9 ± 5.0 | 26.6 ± 3.6 | 24.6 ± 4.8 | 24.8 ± 4.1 | 23.3 ± 5.8 | *** | 24.6 ± 4.8 | 22.3 ± 5.4 | 20.6 ± 6.7 | 18.3 ± 6.2 | *** |