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Demographic characteristics of the sampled and participant individuals
| Sampled individuals, n (%) | Participants, n (%) | |
|---|---|---|
| Total | 28 314 (100) | 11 256 (100) |
| Age (years) | ||
| 6–17 | 6157 (21.74) | 2302 (20.45) |
| 18–39 | 11 885 (41.97) | 4496 (39.94) |
| 40–59 | 7261 (25.64) | 3100 (27.54) |
| ≥60 | 3011 (10.63) | 1358 (12.06) |
| Gender | ||
| Male | 14 209 (50.18) | 5406 (48.03) |
| Female | 14 105 (49.81) | 5850 (51.97) |
| Area | ||
| Urban | 20 281 (71.63) | 6851 (60.86) |
| Rural | 8033 (28.37) | 4405 (39.13) |
