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Table 1 Number of household members by asymptomatic infection status and percentage of asymptomatic infection in household members

From: Prevalence of Giardia infection in households of Giardia cases and risk factors for household transmission

Age group of household members

Asymptomatic infections in household members

Household members with no infection

Total household membersa

Percentage of asymptomatic infection in household members

Number

%

Number

%

Number

%

0–4

19

51

18

12

37

19

51.4

5–9

8

22

15

10

23

12

34.8

10–19

1

3

33

21

34

18

2.9

20–29

3

8

13

8

16

8

18.8

30–39

4

11

27

18

31

16

12.9

40–49

1

3

17

11

18

9

5.6

50+

1

3

31

20

32

17

3.1

Total

37

100

154

100

191

100

19.4

  1. a4 symptomatic household members and 17 household members with no infection and no available age were excluded