Table 1 Characteristics of the subjects. (n = 6095)
Variables | N (%) | Mean ± SD | Range |
|---|---|---|---|
Age (years) | 74.6 ± 6.88 | 65–105 | |
65–79 | 4604 (75.5) | 71.4 ± 4.42 | |
≥ 80 | 1491 (24.5) | 84.3 ± 3.67 | |
BMIa | 23.7 ± 3.40 | 12.8–49.1 | |
Underweight (<18.5) | 315 (5.2) | 17.3 ± 1.01 | |
Normal (18.5–24.9) | 3839 (63.0) | 22.2 ± 1.71 | |
Overweight/obese (≥25.0) | 1940 (31.8) | 27.5 ± 2.26 | |
Marriage | |||
Having a spouse | 2655 (43.6) | ||
No spouseb | 3440 (56.4) | ||
Education | |||
Illiterate | 2578 (42.3) | ||
Elementary school | 2097 (34.4) | ||
≥ Middle school | 1421 (23.3) | ||
Residence | |||
Metropolitan | 4636 (76.0) | ||
Nonmetropolitan | 1460 (24.0) | ||
Comorbidities | |||
Hypertension | 3671 (60.2) | ||
Stroke | 384 (6.3) | ||
DM | 1400 (23.0) | ||
Arthritis | 2992 (49.1) | ||
UI | 586 (9.6) | ||
Depression | 271 (4.4) | ||
Experience of falls | |||
Yes | 1861 (30.5) | ||
No | 4234 (69.5) | ||
MMSEa (sum of scores) | 22.6 ± 5.00 | 0–30 | |
Normal | 4203 (69.0) | 24.7 ± 3.39 | |
Decreased | 1763 (28.9) | 17.6 ± 4.56 | |
IADLa (sum of scores) | 11.1 ± 3.21 | 10–33 | |