Table 1 Background characteristics of participating patients
| Â | Total group | |
|---|---|---|
Gender - N (%) | Â | |
   Male | 69 | (64) |
   Female | 39 | (36) |
   Unknown | 1 |  |
Age, mean in years (SD) | 64.3 (14.9), range: 19-92 | Â |
Age, in groups - N (%) | Â | |
   18 - 49 years | 21 | (20) |
   50 - 64 years | 24 | (22) |
   ≥ 65 years | 63 | (58) |
   Unknown | 1 |  |
Educational level - N (%) | Â | |
   Low | 46 | (43) |
   Moderate | 45 | (43) |
   High | 15 | (14) |
   Unknown | 3 |  |
Living status - N (%) | Â | |
   Living with a partner | 69 | (64) |
   Living without a partner | 38 | (36) |
   Unknown | 2 |  |
Number of comorbid diseases, mean (SD) | 1.5 (1.2), range: 0-5 | Â |
Number of comorbid diseases, in groups - N (%) | Â | Â |
   No comorbid diseases | 23 | (24) |
   One comorbid disease | 28 | (30) |
   Two or more comorbid diseases | 44 | (46) |
   Unknown | 14 |  |