Table 4 Associations of knowledge of the participants about schistosomiasis with their age and educational level

> = 40

<40

OR

95 % CI

Non educated

Educated

OR

95 % CI

Heard about schistosomiasis

130(95.6)

101(88.6)

0.4

0.1, 0.9*

95(87.2)

136(96.5)

4.0

1.4, 11.5*

 At least one symptom

88(64.7)

69(61.1)

0.9

0.5, 1.4

53(49.1)

104(73.8)

2.9

1.7, 4.9*

 Haematuria

47(34.6)

45(39.8)

1.3

0.7, 2.1

30(27.5)

62(44.0)

2.1

1.2, 3.5*

 Abdominal pain

52(38.2)

37(32.7)

0.8

0.5, 1.3

35(32.1)

55(39.0)

1.4

0.8, 2.3

 Burning urination

22(16.2)

20(17.5)

1.1

0.6, 2.2

16(14.7)

26918.4)

1.3

0.7, 2.6

 Blood in stool

26(19.0)

16(14.0)

0.7

0.4, 1.4

11(10.1)

30(21.4)

2.4

1.2, 5.1*

 Itching

17(12.4)

17(14.9)

1.2

0.6, 2.6

12(11.0)

22(15.6)

1.5

0.7, 3.2

 Pale face (anaemia)

15(10.9)

19(16.7)

1.6

0.8, 3.4

13(11.9)

20(14.3)

1.2

0.6, 2.6

 Fatigue

11(8.0)

20(17.7)

2.5

1.1, 5.4*

14(12.8)

17(12.1)

0.9

0.4, 2.0

 Swollen abdomen

9(6.6)

17(14.9)

2.5

1.1, 5.8*

10(9.2)

15(10.6)

1.2

0.5, 2.7

 Diarrhoea

44(32.1)

39(34.5)

1.1

0.7, 1.9

25(22.7)

58(41.4)

2.4

1.4, 4.2*

 Loss of appetite

19(13.9)

14(12.4)

0.9

0.4, 1.8

11(10.0)

22(15.6)

1.7

0.8, 3.6

 Fever

35(25.5)

29(25.7)

1.0

0.6, 1.8

21(19.3)

43(30.5)

1.8

1.0, 3.3*

 Vomiting

8(5.8)

23(20.4)

4.1

1.8, 9.6*

11(10.0)

21(14.9)

1.6

0.7, 3.4

 Dysentery

11(8.0)

6(5.3)

0.6

0.2, 1.8

3(2.8)

13(9.2)

3.6

1.0, 12.9*

Transmission:

 At least one way of transmission

56(45.9)

59(45.7)

1.0

0.6, 1.6

45(41.3)

69(48.9)

1.4

0.8, 2.3

 Swimming/bathing/playing in infested water

35(28.7)

31(24.2)

0.8

0.5, 1.4

24(22.0)

42(29.8)

1.4

0.8, 2.7

 Snail

11(9.1)

14(10.9)

1.2

0.5, 2.8

6(5.5)

19(13.6)

2.7

1.1, 7.0*

 Playing with soil

40(32.8)

37(28.9)

0.8

0.5, 1.4

29(26.6)

48(34.0)

1.4

0.8, 2.5

 Dirty hands

27(22.3)

29(22.7)

1.0

0.6, 1.9

19(17.4)

38(27.0)

1.7

0.9, 3.2

 Eating contaminated food

25(20.5)

31(24.2)

1.2

0.7, 2.3

19(17.3)

38(27.0)

1.8

0.9, 3.3

 Drinking untreated water

16(13.1)

18(14.1)

1.1

0.5, 2.2

7(6.4)

26(18.6)

3.3

1.4, 8.0*

Prevention:

 At least one preventive measure

55(45.1)

58(45.3)

1.0

0.6, 1.7

35(31.8)

79(56.0)

2.7

1.6, 4.6*

 Avoid swimming/playing in ponds/streams

38(31.1)

27(21.1)

0.6

0.3, 1.0

18(16.5)

47(33.3)

2.5

1.4, 4.7*

 Avoid washing clothes in ponds/streams

12(9.8)

14(10.9)

1.2

0.5, 2.5

11(10.1)

15(10.6)

1.1

0.5, 2.4

 Avoid playing with soil

39(32.0)

33(25.8)

0.7

0.4, 1.3

25(22.7)

47(33.3)

1.7

0.9, 3.0

 Washing hands before eating

31(25.6)

35(27.3)

1.1

0.6, 1.9

22(20.0)

45(31.9)

1.9

1.1, 3.4*

 Avoid drinking untreated water

14(11.5)

19(14.8)

1.3

0.6, 2.8

10(9.1)

23(16.4)

2.0

0.9, 4.3

 Washing vegetables/fruit before eating

29(23.8)

24(18.8)

0.7

0.4, 1.4

18(16.5)

35(24.8)

1.7

0.9, 3.1

 Taking anti-schistosomal drugs

21(17.4)

21(16.4)

0.9

0.5, 1.8

9(8.3)

33(23.6)

3.4

1.6, 7.5*