Table 3.

Factors associated with S. mansoni infections among adult individuals in 20 selected villages of Ukerewe district

Variable	PR	95%CI	P-values	aPR	95%CI	P-values
Sex
Female	1			1
Male	1.0	1.0–1.1	0.001	1.2	1.0–1.1	0.001
Age groups
14–25	1.2	1.2–1.3	0.001	1.2	1.1–1.3	0.001
26–35	1.2	1.1–1.2	0.001	1.2	1.1–1.2	0.001
36–45	1.1	1.0–1.3	0.002	1.1	1.0–1.1	0.001
46–55	1.0	0.9–1.1	0.1	1.1	1.0–1.1	0.04
56–65	1.1	1.0–1.1	0.04	1.1	1.0–1.1	0.03
≥ 66	1
Reported diarrhoea in the past two weeks
No	1			1
yes	0.9	0.9–1.1	0.2	0.9	0.9–1.1	0.04
Reported blood in faeces
No	1			1
Yes	1.1	1.0–1.1	0.001	1.1	1.0–1.1	0.002
Reported abdominal pain
No	1
Yes	0.9	0.9–1.0	0.004	0.9	0.9–1.0	0.03
Reported history of blood vomiting
No	1
Yes	0.9	0.9–1.1	0.3	---	----	---
Currently vomiting blood
No	1
Yes	0.8	0.7–1.1	0.3	---	---	---
History of abdominal distension
No	1
Yes	0.9	0.9–1.0	0.4	---	---	---
History of praziquantel use
No	1.1	1.0–1.1	0.001	1.1	1.0–1.1	0.001
Yes	1			1
Hepatitis C
No	1
Yes	0.8	0.7–1.1	0.3	----	----	----
Hepatitis B
No	1
Yes	1.1	0.9–1.1	0.3	----	----	----
HIV infection
No	1
Yes	0.9	0.8–1.0	0.3	----	----	-----
Village of residence
Nebuye	1			1
Bugorola	1.1	0.9–1.1	0.2	1.0	0.9–1.1	0.3
Bugula	1.2	1.1–1.3	0.01	1.2	1.1–1.3	0.01
Bukiko	1.1	1.0–1.2	0.03	1.1	1.0–1.2	0.02
Bukindo	1.2	1.1–1.3	0.001	1.2	1.1–1.3	0.001
Bukondo	1.0	0.9–1.1	0.2	1.1	0.9–1.2	0.1
Bukungu	1.4	1.2–1.5	0.001	1.4	1.2–1.5	0.001
Busumba	1.1	1.0–1.2	0.03	1.1	1.0–1.2	0.04
Bwisya	1.1	0.9–1.2	0.06	1.1	1.0–1.2	0.04
Chibasi	1.2	1.1–1.3	0.001	1.2	1.1–1.3	0.001
Chifule	1.3	1.2–1.5	0.001	1.3	1.2–1.4	0.001
Galu	1.1	1.0–1.3	0.003	1.1	1.1–1.3	0.002
Kamea	1.2	1.1–1.3	0.001	1.2	1.1–1.3	0.002
Kome	1.3	1.2–1.4	0.001	1.3	1.2–1.4	0.001
Kweru	1.3	1.2–1.4	0.001	1.3	1.2–1.4	0.001
Muriti	1.1	0.9–1.2	0.1	1.1	0.9–1.2	0.1
Murutilima	1.1	1.1–1.2	0.1	1.1	0.9–1.2	0.2
Musozi	1.3	1.2–1.4	0.001	1.3	1.2–1.4	0.001
Nyang’ombe	1.2	0.9–1.2	0.2	1.1	0.9–1.2	0.2
Nyamanga	1.3	1.2–1.4	0.001	1.3	1.2–1.4	0.001