Table 1 Socio-demographic characteristics of the subsample compared with the whole study population
|  | Whole study population N = 13591 | 1-in-7 subsample n = 1759 | ||
|---|---|---|---|---|
| Â | N | % (95% CI) | n | % (95% CI) |
Socio-demographic factors | Â | Â | Â | |
Age-group in years (p = 0.62) |  |  |  | |
40-49 | 4889 | 36.0 (34.8-37.2) | 616 | 35.0 (32.7-37.4) |
50-59 | 3577 | 26.3 (25.5-27.2) | 461 | 26.2 (24.1-28.4) |
60-69 | 2773 | 20.4 (19.6-21.2) | 368 | 20.9 (19.1-22.8) |
70-79 | 1653 | 12.2 (11.5-12.9) | 229 | 13.0 (11.5-14.7) |
80+ | 699 | 5.1 (4.7-5.7) | 85 | 4.9 (4.0-5.9) |
Gender (p = 0.44) |  |  |  |  |
Female | 7345 | 54.0 (53.1-55.0) | 937 | 53.3 (51.0-55.5) |
Male | 6246 | 46.0 (45.0-46.9) | 822 | 46.7 (44.5-46.8) |
Place of residence (p = 0.13) |  |  |  | |
Rural | 10540 | 77.6 (72.5-81.9) | 1371 | 77.9 (72.9-82.3) |
Urban | 3051 | 22.4 (18.1-27.6) | 388 | 22.1 (17.7-27.1) |
Total | 13591 | 100 | 1759 | 100 |