Table 1 Characteristics of study participants
Factors | N = 993 |
|---|---|
n (%) | |
Age (year old, mean ± SD) | 75.1 ± 6.5 |
Sex (men) | 522 (52.6) |
The number of consulting medical institutions | |
1 | 516 (52.0) |
2 | 332 (33.4) |
≥3 | 145 (14.6) |
Household economy | |
Very poor | 57 (5.9) |
Poor | 198 (20.5) |
Normal | 633 (65.4) |
Rich | 65 (6.7) |
Very rich | 15 (1.6) |
Not answered | 25 (2.5) |
Comorbidities | |
Hypertension | 559 (56.3) |
Stroke | 33 (3.3) |
Heart disease | 132 (13.3) |
Diabetes mellitus | 179 (18.0) |
Dyslipidemia | 157 (15.8) |
Respiratory disorder | 62 (6.2) |
Gastrointestinal disorder | 84 (8.5) |
Renal urologic disorder | 106 (10.7) |
Musculoskeletal disorder | 103 (10.4) |
Injury | 21 (2.1) |
Malignancy | 49 (4.9) |
Hematologic disease | 18 (1.8) |
Depression | 11 (1.1) |
Dementia | 11 (1.1) |
Parkinson’s disease | 1 (0.1) |
Ear disorder | 54 (5.4) |
Other | 108 (10.9) |
Number of comorbidities | |
1 | 447 (45.0) |
2 | 325 (32.7) |
3 | 133 (13.4) |
4 | 67 (6.7) |
≥5 | 21 (2.1) |