Table 1 Demographics of participants in the schistosomiasis and soil-transmitted helminth surveys for Huambo, Uige and Zaire provinces
| Â | Huambo | Uige | Zaire | Total | ||||
|---|---|---|---|---|---|---|---|---|
RDT N = 7620 | Microscopy N = 1501 | RDT N = 7793 | Microscopy N = 1818 | RDT N = 1680 | Microscopy N = 330 | RDT N = 17,093 | Microscopy N = 3649 | |
Schools | 254 | 50 | 265 | 60 | 56 | 11 | 575 | 121 |
Students | Â | Â | Â | Â | Â | Â | Â | Â |
 Male | 3796 (49.2%) | 750 (50.0%) | 3916 (50.3%) | 903 (49.7%) | 838 (49.9%) | 165 (50.0%) | 8550 (50.0%) | 1818 (49.8%) |
 Female | 3824 (50.2%) | 751 (50.0%) | 3877 (49.8%) | 915 (50.3%) | 842 (50.1%) | 165 (50.0%) | 8543 (50.0%) | 1831 (50.2%) |
Age, years (IQR) | 11 (10–13) | 11 (10–13) | 11 (10–13) | 11 (9–13) | 12 (10–13) | 12 (10–14) | 11 (10–13) | 11 (10–13) |
Setting | Â | Â | Â | Â | Â | Â | Â | Â |
 Rural | 6150 (80.7%) | 1411 (94.0%) | 6740 (86.6%) | 1643 (90.5%) | 1350 (80.4%) | 270 (81.8%) | 14,249 (83.4%) | 3324 (91.1%) |
 Urban | 1470 (19.3%) | 90 (6.0%) | 1044 (13.4%) | 173 (9.5%) | 330 (19.6%) | 60 (18.2%) | 2844 (16.6%) | 323 (8.9%) |
Ethnicity | Â | Â | Â | Â | Â | Â | Â | Â |
 Kikongo | 0 | 0 | 6257 (80.3%) | 1488 (81.9%) | 1680 (100%) | 330 (100%) | 7937 (46.4%) | 1818 (49.9%) |
 Kimbundo | 0 | 0 | 1536 (19.7%) | 328 (18.1%) | 0 | 0 | 1536 (9.0%) | 328 (9.0%) |
 Umbundo | 7620 (100%) | 1501 (100%) | 0 | 0 | 0 | 0 | 7620 (44.6%) | 1501 (41.2%) |
Ecological zone | Â | Â | Â | Â | Â | Â | Â | Â |
 Northern coastal | 0 | 0 | 0 | 0 | 930 (55.4%) | 210 (63.6%) | 930 (5.4%) | 210 (5.8%) |
 Coffee area | 0 | 0 | 2553 (32.8%) | 738 (40.6%) | 750 (44.6%) | 120 (36.4%) | 3303 (19.3%) | 858 (23.5%) |
 Central highland | 7620 (100%) | 1501 (100%) | 5240 (67.2%) | 1078 (59.4%) | 0 | 0 | 12,860 (75.2%) | 2579 (70.7%) |