Table 2 Birth weight results for daily bottled, cold tap, total tap, and total water intake

Bottled water

   None

448 (25%)

Ref

Ref

Ref

   Any

1329 (75%)

12

(-38, 63)

31

(-20, 82)

43

(-27, 113)

Cold tap water (ounces)^b

   0-27

424 (24%)

Ref

Ref

Ref

   > 27-53

455 (25%)

12

(-50, 74)

9

(-53, 72)

25

(-38, 88)

   > 53-91

444 (25%)

74

(11, 136)

52

(-11, 116)

44

(-19, 107)

   > 91

453 (26%)

77

(14, 139)

49

(-14, 111)

65

(2, 128)

Per 20 ounce

12.3

(3.9, 20.7)

8.5

(0.1, 16.9)

8.5

(-1.5, 18.5)

Total tap water (ounces)^b

   0-30

443 (25%)

Ref

Ref

Ref

   > 30-61

445 (25%)

41

(-21, 103)

44

(-18, 106)

10

(-52, 73)

   > 61-96

496 (28%)

100

(40, 161)

78

(17, 139)

34

(-30, 97)

   > 96

392 (22%)

85

(21, 149)

43

(-21, 107)

46

(-17, 109)

Per 20 ounce

12.0

(4.0, 20.1)

6.8

(-1.3, 15.0)

5.3

(-4.3, 15.1)

Total water (ounces)^b

   0-51

452 (25%)

Ref

Ref

Ref

   > 51-78

439 (25%)

60

(-1, 122)

27

(-34, 87)

10

(-50, 71)

   > 78-114

442 (25%)

67

(5, 128)

39

(-22, 99)

55

(-6, 116)

   > 114

441 (25%)

83

(21, 145)

50

(-11, 111)

37

(-25, 98)

Per 20 ounce

9.8

(1.6, 18.1)

7.3

(-0.8, 15.5)

5.2

(-4.7, 15.2)