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Demographics of study subjects
| Characteristic | n (%) |
|---|---|
| Age >65 years | 126 (50.2) |
| Sex (male) | 159 (63.3) |
| Inpatients | 120 (47.8) |
| Level of education ≥ college | 129 (51.4) |
| Household income ≥$50,000 | 91 (36.3)* |
| History of heart disease | 74 (29.5) |
| History of stroke | 12 (4.8) |
76 patients refused to answer
