Table 2

Prevalence and intensity of urogenital schistosomiasis by demographic characteristics of participants

VariablesTested, NEggs positive,
n (%)
χ2 or Fisher’s exact testIntensity of infectionχ2 or Fisher’s exact test
Light, n (%)Heavy, n (%)
Age group
18–34 years13137 (28.2)χ2=7.6
P=0.048
21 (16.0)16 (12.2)Fisher’s=11.3
P=0.049
35–49 years6010 (16.7)5 (8.3)5 (8.3)
50–65 years414 (9.8)4 (9.8)0 (0.0)
˃65 years133 (23.1)3 (23.1)0 (0.0)
Marital status
Married10714 (13.1)χ2=9.8
P=0.044
12 (11.1)2 (1.9)Fisher’s=28.8
P<0.001
Cohabiting113 (27.3)2 (18.2)1 (9.1)
In relationship854 (28.6)7 (8.2)16 (18.8)
Divorced/widower1423 (27.1)4 (28.6)0 (0.0)
Single2810 (35.7)8 (28.6)2 (7.1)
Education
Never attended4014 (35.0)Fisher’s=5.3
P=0.126
8 (20.0)6 (15.0)Fisher’s=7.2
P=0.342
Primary16434 (20.7)22 (13.4)12 (7.3)
Secondary406 (15.0)3 (7.5)3 (7.5)
Postsecondary10 (0.0)0 (0.0)0 (0.0)
Occupation
Peasants18440 (21.7)Fisher’s=1.3
P=0.905
27 (14.7)13 (7.1)Fisher’s=6.9
P=0.456
Petty business265 (19.2)3 (11.5)2 (7.7)
Other self employed226 (27.3)3 (13.6)3 (13.6)
Employed31 (33.3)0 (0.0)1 (33.3)
None102 (20.0)0 (0.0)2 (20.0)
Village
Mahumbika645 (7.8)χ2=12.6
P=0.002
3 (4.7)2 (3.1)χ2=21.7
P<0.001
Mtua Longa11527 (23.5)21 (18.3)6 (5.2)
Nyengedi A6622 (33.3)9 (13.6)13 (19.7)
Time of stay in the respective village
0.6–1 year40 (0.0)Fisher’s=2.1
P=0.557
0 (0.0)0 (0.0)Fisher’s=3.5
P=0.668
2–5 years114 (36.4)2 (18.2)2 (18.2)
6–10 years102 (20.0)2 (20.0)0 (0.0)
Above 10 years22048 (21.8)29 (13.2)19 (8.6)