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Table 1 Description of the baseline and demographic characteristics of the studied population by village (n = 928)

From: Coinfection of intestinal schistosomiasis and malaria and association with haemoglobin levels and nutritional status in school children in Mara region, Northwestern Tanzania: a cross-sectional exploratory study

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) < 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 < 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) < 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) < 0.001
Anaemia prevalence (%) 96 (53.6) 82 (44.8) 71 (41.5) 59 (29.7) 84 (42.8) < 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) < 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