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Demographic characteristics at baseline of the 31 subjects participating in the study
| Gender | |
| Male (%) | 64 |
| Female (%) | 36 |
| Age (Mean ± SD) | 61.6 ± 7.0 (range 43-71) |
| Marital status | |
| Married/Living together (%) | 84 |
| Single (%) | 16 |
| Tobacco use (smoking) | |
| Current user (%) | 13 |
| Previous user (%) | 42 |
| Medication for hypertension (%) | 58 |
