Table 1 Description of the baseline and demographic characteristics of the studied population by village (n = 928)
Characteristic | Village | p value | ||||
|---|---|---|---|---|---|---|
Sota | Busanga | Kibuyi | Mwiringo | Bwai | ||
Sex | ||||||
 Boys (n, %) | 76 (17.1) | 93 (20.9) | 100 (22.4) | 103 (23.2) | 73 (16.4) |  |
 Girls (n, %) | 103 (21.3) | 90 (18.6) | 71 (14.7) | 96 (19.8) | 123 (25.5) | < 0.001 |
Age group (years) | ||||||
 6–8 (n, %) | 36 (20.1) | 53 (29.0) | 46 (26.9) | 63 (31.7 | 70 (35.7) |  |
 9–12 (n, %) | 96 (53.6) | 91 (49.7) | 82 (48.0) | 80 (40.2 | 99 (50.5) |  |
 13–15 (n, %) | 47 (26.3) | 39 (21.3) | 43 (25.2) | 56 (28.1 | 27 (13.8) | 0.003 |
S. mansoni prevalence (%) | 164 (91.6) | 154 (84.2) | 160 (93.6) | 126 (63.3) | 190 (96.9) | <Â 0.001 |
S. mansoni intensity (epg) | 118.1 (94.3–147.8) | 204.5 (164.5–254.2) | 187.3 (150.4–233.3) | 72.2 (51.3–94.2) | 349.3 (295.2–413.3) | < 0.001 |
Hookworm prevalence (%) | 6 (3.3) | 17 (9.3) | 4 (23.0) | 13 (6.5) | 0 | <Â 0.001 |
Hookworm intensity (epg) | 147.8 (13.4–1623.8) | 96.0 (45.3–203.7) | 51.6 (19.6–135.6) | 161.7 (105.4–258.1) | – | 0.210 |
Malaria prevalence (%) | 50 (27.9) | 90 (49.2) | 47 (27.5) | 58 (29.2) | 9 (4.6) | <Â 0.001 |
Malaria parasite density (mps/µL) | 1097.9 (712.8–1691.0) | 591.3 (448.1–780.3) | 1608.2 (1020.6–2534.2) | 2136.5 (1472.6–3099.7) | 609.6 (160.1–2321.2) | < 0.001 |
Prevalence of co-infection (%) | 47 (26.3) | 73 (39.9) | 51 (29.8) | 37 (18.6) | 9 (4.6) | <Â 0.001 |
Anaemia prevalence (%) | 96 (53.6) | 82 (44.8) | 71 (41.5) | 59 (29.7) | 84 (42.8) | <Â 0.001 |
Mean Hb (g/dL) | 111.2 (107.8–114.6) | 115.5 (112.7–118.4) | 119.5 (116.9–121.9) | 125.2 (123.5–126.4) | 120.6 (118.1–123.0) | < 0.001 |
Prevalence of stunting (%) | 29 (16.2) | 47 (25.6) | 44 (25.7) | 52 (26.1) | 23 (11.7) | <Â 0.001 |
Prevalence of thinness (%) | 15 (8.4) | 8 (4.4) | 18 (10.5) | 18 (9.1) | 4 (2.0) | 0.005 |
Prevalence of underweight (%) | 2 (1.1) | 3 (1.6) | 2 (1.2) | 2 (1.0) | 3 (1.5) | 0.998 |