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Table 8 Within–person change Model: estimated change in energy intake associated with beverage substitution

From: Beverage consumption habits “24/7” among British adults: association with total water intake and energy intake

Model 3 Estimated effect of substituting each beverage type *

 

B

P value

95% Confidence interval for B

Change in:

  

Lower

Upper

Hot beverages (100 g)

−15

<0.0001

−18

−12

Milk (100 g)

15

<0.0001

8

22

Fruit juice (100 g)

25

<0.0001

15

35

Caloric soft drink (100 g)

23

<0.0001

18

27

Diet soft drink (100 g)

−15

<0.0001

−20

−9

Alcohol (100 g)

17

<0.0001

15

19

Bottled water (100 g)

−21

<0.0001

−27

−15

Tap water (100 g)

−31

<0.0001

−35

−28

Model 4 Estimated effect of caloric beverages replacing non-caloric beverages

 

B

P value

95% Confidence Interval for B

   

Lower

Upper

Change in total beverages (100 g)

12

<0.0001

10

14

Change in caloric beverages (100 g)

29

<0.0001

27

32

Model 5 Estimated effect of caloric beverages replacing caloric beverages, holding food energy constant

 

B

P value

95% Confidence Interval for B

   

Lower Bound

Upper Bound

Change in food energy (100 kcal)

100

<0.0001

99.9

101

Change in total beverages (100 g)

1

<0.0001

0.9

1.8

Change in caloric beverages (100 g)

35

<0.0001

35

36

  1. *Model 3 is a composite of 8 regressions, one for each beverage, adjusted for change in total weight of beverages; coefficients express the change in energy intake associated with a change in one beverage type and a corresponding reduction in others, i.e. constant total beverage intake.