Advertisement
Table 1 Demographics of the population, by study group (n = 538)
| Group 1 (n = 116) | Group 2 (n = 100) | Group 3 (n = 100) | Group 4 (n = 222) | |
|---|---|---|---|---|
| Sex ratio | 1.04 | 0.79 | 0.87 | 1.05 |
| Age structure (%) | ||||
| < 15 years | 27.6 | 20.0 | 26.0 | 31.5 |
| 15–59 | 64.6 | 59.0 | 61.0 | 58.6 |
| >= 60 years | 7.8 | 21.0 | 13.0 | 9.9 |
