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Table 2 Primary outcome and meal micro-structure

From: Plate size and food consumption: a pre-registered experimental study in a general population sample

 

Small plate

Large plate

    

Mean (SD)

Mean (SD)

Mean Difference

95% CI

p

Cohen‘s d

Primary outcome

 Kilocalories consumed (kcal)

624.9 (292.3)

644.1 (265.0)

19.2

−76.5, 115.0

0.692

0.07

Meal micro-structure

 Meal duration (min)

8.6 (4.7)

8.7 (4.3)

0.0

−1.5, 1.6

0.953

0.01

 Number of servings (n)

1.8 (0.8)

1.7 (0.7)

−0.2

- 0.4, 0.1

0.186

−0.24

 Amount self-served (g)

422.6 (192.7)

443.1 (174.0)

20.5

−42.5, 83.5

0.521

0.11

 Amount of food left on the plate (g)

4.9 (10.5)

13.5 (28.9)

8.6

1.1, 16.0

0.024

0.40

 Number of bites (n)

41.6 (23.6)

38.3 (17.0)

−3.3

−10.5, 3.9

0.366

−0.16

 Average bite size (g)

11.6 (5.0)

11.7 (4.3)

0.2

−1.5, 1.8

0.852

0.03

 Average bite duration (duration/ bites), (min/n)

0.2 (0.1)

0.2 (0.1)

0.0

−0.0, 0.0

0.573

0.10

 Bites per minute (bites/duration), (n/min)

5.2 (2.1)

4.8 (1.8)

−0.4

−1.1, 0.3

0.216

−0.22