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Table 2 Summary of water exposures

From: Tap water use amongst pregnant women in a multi-ethnic cohort

 

2a: Water Consumption

Mean

Min

Percentile Distribution

Max

Consumed

 

Variable

  

0.25

0.50

0.75

 

n

%

HOME

Tap water (filtered and unfiltered) (l/day)

0.7

0.0

0.2

0.6

0.8

2.6

32

82.1

 

Filtered tap water (l/day)

0.2

0.0

0.0

0.0

0.0

2.0

8

20.5

 

Unfiltered tap water (l/day)

0.5

0.0

0.0

0.4

0.8

2.6

24

61.5

 

Tea (l/day)

0.3

0.0

0.0

0.2

0.4

2.4

22

56.4

 

Coffee (l/day)

0.1

0.0

0.0

0.0

0.0

2.0

7

17.9

 

Squash/cordial (l/day)

0.3

0.0

0.0

0.0

0.0

1.2

21

53.8

 

Total tap water intake (l/day)

1.5

0.0

0.7

1.4

2.2

4.2

36

92.3

 

Bottled water (l/day)

0.2

0.0

0.0

0.0

0.0

4.0

7

17.9

 

Total fluid intake (l/day)

1.6

0.2

0.8

1.4

2.4

4.2

39

100.0

WORK

Tap water (filtered and unfiltered) (l/day) *

0.2

0.0

0.0

0.0

0.4

2.0

6

28.6

 

Filtered tap water (l/day) *

0.0

0.0

0.0

0.0

0.0

0.0

0

0.0

 

Unfiltered tap water (l/day) *

0.2

0.0

0.0

0.0

0.4

2.0

6

28.6

 

Tea (l/day) *

0.2

0.0

0.0

0.0

0.2

1.0

6

28.6

 

Coffee (l/day) *

0.1

0.0

0.0

0.0

0.0

0.8

5

23.8

 

Squash/cordial (l/day) *

0.1

0.0

0.0

0.0

0.0

0.8

2

9.5

 

Total tap water intake (l/day) *

0.6

0.0

0.0

0.4

0.8

2.8

15

71.4

 

Bottled water (l/day) *

0.3

0.0

0.0

0.0

0.6

2.0

8

38.1

 

Total fluid intake (l/day) *

0.9

0.0

0.4

0.8

1.0

2.8

18

85.7

ELSEWHERE

Tap water (l/day)

0.0

0.0

0.0

0.0

0.0

0.0

0

0.0

 

Tea (l/day)

0.0

0.0

0.0

0.0

0.0

0.0

0

0.0

 

Coffee (l/day)

0.0

0.0

0.0

0.0

0.0

0.0

0

0.0

 

Squash/cordial (l/day)

0.0

0.0

0.0

0.0

0.0

0.0

0

0.0

 

Total tap water intake (l/day)

0.0

0.0

0.0

0.0

0.0

0.0

0

0.0

 

Bottled water (l/day)

0.0

0.0

0.0

0.0

0.0

0.2

1

2.6

 

Total fluid intake (l/day)

0.0

0.0

0.0

0.0

0.0

0.2

1

2.6

ALL

Total tap water intake (l/day)

1.8

0.0

1.0

1.4

2.4

5.8

37

94.9

 

Total fluid intake (l/day)

2.1

0.4

1.2

1.8

2.7

5.8

39

100.0

 

2b: Showering, Bathing, Swimming

Mean

Min

Percentile Distribution

Max

Activity carried out

 

Variable

  

0.25

0.50

0.75

 

n

%

SHOWERING & BATHING

No. showers per week

5

0

3

5

7

14

34

87.2

 

Duration per shower (min) †

16

5

10

15

20

60

  
 

Showering (min/week)

74

0

35

60

100

300

34

87.2

 

No. baths per week

2

0

0

2

3

7

26

66.7

 

Duration per bath (min) ‡

40

10

26

30

38

120

  
 

Bathing (min/week)

72

0

0

60

120

360

26

66.7

 

Total time showering/bathing (min/week)

146

35

73

110

185

540

39

100.0

SWIM

No. swimming sessions per week

1

0

0

0

0

2

6

15.4

 

Duration per swim (min) §

53

10

26

53

60

120

  
 

Swimming (min/week)

10

0

0

0

0

120

6

15.4

  1. * amongst those who were employed (n = 21), † amongst those who reported at least one shower per week (n = 34), ‡ amongst those who reported at least one bath per week (n = 26), §amongst those who reported going swimming at least once per week (n = 6)