Age and sex distributions of study populations
| Age (years) | Male | Female | Male and female (% of total) |
|---|---|---|---|
| Hovsgol (1995) sample | |||
| 40–49 | 1 | 3 | 4 (10.3) |
| 50–59 | 2 | 7 | 9 (23) |
| 60–69 | 3 | 12 | 15 (38.5) |
| ⩾70 | 4 | 7 | 11 (28.2) |
| Total | 10 (25.6) | 29 (74.4) | 39 (100) |
| Ömnögobi (1997) sample | |||
| 40–49 | 1 | 3 | 4 (6.8) |
| 50–59 | 5 | 12 | 17 (28.8) |
| 60–69 | 4 | 15 | 19 (32.2) |
| ⩾ 70 | 8 | 11 | 19 (32.2) |
| Total (%) | 18 (28.2) | 41 (71.8) | 59 (100 ) |