Table 1.

Prevalence of S. haematobium infection by egg positivity and infection intensities, haematuria and S. mansoni test results from POC-CCA testing (trace results excluded) in the study population from Ounianga Serir and Ounianga Kebir, Chad, 2019

	Ounianga Kebir (n = 207)		Ounianga Serir (n = 51)		Total n (%, 95% CI)
	Male n (%, 95% CI)	Female n (%, 95% CI)	Male n (%, 95% CI)	Female n (%, 95% CI)
Total number of participants	65	142	21	30	258
Participants aged < 18 years	47 (72)	65 (46)	14 (67)	11 (37)	137 (53)
S. haematobium infection (egg positive)
Total no. positive	27 (41.5, 30.0–54.0)	46 (32.4, 25.2–40.5)	11 (52.4, 30.2–73.6)	17 (56.7, 37.9–73.7)	101 (39.2, 33.5–45.1)
Positives < 18 years*	24 (51.1, 36.6–65.3)	24 (36.9, 25.9–49.5)	9 (64.3, 34.1–86.3)	8 (72.7, 35.4–92.8)	65 (47.5, 39.2–55.8)
S. haematobium heavy infection (≥ 50 eggs/10 ml urine)
Total no. heavy infection	13 (50.0, 30.5–69.5)	21 (45.7, 31.6–60.5)	8 (72.7, 35.4–92.8)	9 (52.9, 28.1–76.4)	51 (51.0, 41.2–60.7)
Heavy infection < 18 years	13 (56.5, 34.8–76.0)	14 (58.3, 36.9–77.0)	8 (88.9, 37.5–99.1)	7 (87.5, 32.0–99.1)	42 (65.6, 53.0–76.4)
Haematuria
Total no. positive	36 (55.4, 43.0–67.2)	82 (57.8, 49.5–65.6)	12 (57.1, 34.2–77.4)	22 (73.3, 53.9–86.6)	152 (58.9, 52.9–64.6)
Positives < 18 years*	26 (55.3, 40.6–69.2)	39 (60.0, 47.5–71.3)	9 (64.3, 34.1–86.3)	9 (81.8, 42.1–96.5)	83 (60.6, 52.2–68.4)
S. mansoni infection (from POC-CCA test results)
Total no. positive	3 (4.7, 1.5–13.8)	11 (8.4, 4.7–14.5)	5 (23.8, 9.5–48.2)	2 (7.1, 1.6–26.2)	21 (8.6, 5.7–12.8)
Positives < 18 years*	3 (6.5, 2.0–19.0)	5 (8.3, 3.4–18.8)	5 (35.7, 13.7–65.9)	1 (9.1, 0.9–53.6)	14 (10.7, 6.4–17.2)

*(%) from all participants < 18 years of age; POC-CCA: Point-of-care circulating cathodic antigen