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Table 4 Overview of observed data and alignment factor results, stratified by country, Schistosoma species and age group

From: Modelling age-heterogeneous Schistosoma haematobium and S. mansoni survey data via alignment factors

  

S. haematobium

S. mansoni

 

Age*

N

p

Alignment factor

N

p

Alignment factor

Burundi

1

0

-

1.00

15

20.8

1.00

 

2

0

-

-

21

23.0

0.78 (0.71, 0.87)

 

3

0

-

-

10

25.9

0.84 (0.76, 0.93)

Eritrea

1

4

0.0

1.00

4

12.5

1.00

 

2

1

0.0

-

1

10.0

-

 

3

2

0.0

-

2

41.7

-

Ethiopia

1

31

24.4

1.00

105

22.2

1.00

 

2

23

18.5

0.62 (0.55, 0.68)

151

20.3

0.71 (0.70, 0.73)

 

3

8

37.1

0.79 (0.72, 0.87)

83

19.5

0.85 (0.83, 0.88)

Kenya

1

112

34.5

1.00

90

41.0

1.00

 

2

16

35.9

0.84 (0.79, 0.89)

20

54.2

1.09 (1.05, 1.13)

 

3

40

23.2

0.86 (0.83, 0.89)

26

44.3

1.02 (0.99, 1.05)

Malawi

1

42

53.9

1.00

9

24.0

1.00

 

2

21

40.2

0.86 (0.82, 0.92)

12

27.3

-

 

3

1

31.4

-

0

-

-

Rwanda

1

0

-

1.00

0

-

1.00

 

2

0

-

-

4

4.6

-

 

3

0

-

-

0

-

-

Somalia

1

11

39.4

1.00

3

0.0

1.00

 

2

23

56.9

1.05 (0.95, 1.18)

2

0.0

-

 

3

21

53.1

1.02 (0.94, 1.12)

5

0.0

-

Sudan

1

4

35.2

1.00

8

61.6

1.00

 

2

10

17.2

0.69 (0.64, 0.74)

16

61.7

1.02 (0.94, 1.10)

 

3

4

11.2

-

6

48.5

1.00 (0.95, 1.06)

Tanzania

1

317

34.5

1.00

115

13.5

1.00

 

2

60

38.5

0.84 (0.82, 0.86)

35

24.8

1.18 (1.12, 1.24)

 

3

22

42.3

0.94 (0.91, 0.96)

21

31.4

1.13 (1.08, 1.17)

Uganda

1

38

2.8

1.00

277

22.7

1.00

 

2

17

8.2

0.89 (0.77, 1.03)

37

37.9

1.06 (1.01, 1.11)

 

3

4

18.1

-

28

48.3

1.01 (0.96, 1.04)

Zambia

1

69

30.5

1.00

25

7.7

1.00

 

2

42

17.9

1.26 (1.08, 1.43)

32

9.2

0.64 (0.49, 0.89)

 

3

10

37.1

1.06 (0.99, 1.13)

5

22.6

-

TOTAL

1

628

32.8

1.00

651

23.2

1.00

 

2

213

30.6

0.83 (0.81, 0.85)

331

25.8

0.94 (0.92, 0.96)

 

3

112

33.8

0.91 (0.90, 0.93)

186

29.7

0.96 (0.95, 0.98)

  1. Overall and country-specific number of survey locations (N), mean observed prevalence (p) and alignment factor results (with 95% BCI given in brackets) per age group and Schistosoma species.
  2. * 1, individuals aged ≤ 20 years; 2, individuals aged > 20 years; 3, entire communities.