Table 1.
Distribution of socio-demographic variables among cases (n = 250) and controls (n = 250).
| Variable | Cases n (%) | Controls n (%) |
| Sex | ||
| Female | 55 (78.0) | 55 (78.0) |
| Age group (years) | ||
| 60–69 | 59 (23.6) | 56 (22.4) |
| 70–79 | 118 (47.2) | 127 (50.8) |
| 80–89 | 61 (24.4) | 57 (22.8) |
| 90 and more | 12 (4.8) | 10 (4.0) |
| Marital status | ||
| married | 73 (29.2) | 82 (32.8) |
| widowed | 116 (46.4) | 127 (50.8) |
| divorced | 23 (9.2) | 8 (3.2) |
| never married | 38 (15.2) | 33 (13.2) |
| Living alone | ||
| no | 201 (80.4) | 196 (78.4) |
| yes | 39 (15.6) | 47 (18.8) |
| Institution | 10 (4.0) | 7 (2.8) |
| Educational level | ||
| none + elementary incomplete elementary | 104 (41.6) | 110 (44.0) |
| .level one (about 5 years) | 83 (33.2) | 84 (33.6) |
| .level two (about 4 years) | 37 (14.8) | 30 (12.0) |
| secondary (about 3 years) | 20 (8.0) | 15 (6.0) |
| university | 6 (2.4) | 11 (4.4) |
| Working before the fall | ||
| Yes | 34 (13.6) | 28 (11.2) |