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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