Study 1: Plate size and shape
|
Grams of food self-served
|
p
|
Cohen‘s d (95% CI)
|
---|
Estimated mean (SE)
|
Estimated MD
|
(95% CI of the MD)
|
---|
Plate size
|
Small
|
123.6 (4.0)
|
− 76.4
|
− 86.7, − 66.2
|
< 0.001
|
− 1.5 (− 1.7, − 1.3)
|
Medium
|
159.6 (5.2)
|
− 40.5
|
− 48.2, − 32.9
|
< 0.001
|
− 0.8 (− 0.9, − 0.7)
|
Large
|
200.1 (6.8)
|
ref
|
–
|
–
|
–
|
Plate shape
|
Square
|
160.3 (4.9)
|
− 1.5
|
− 5.6, 2.5
|
0.456
|
− 0.07 (− 0.21, 0.08)
|
Round
|
161.9 (5.1)
|
ref
|
–
|
–
|
–
|
Study 2: Wine glass and bottle size
|
Millilitres of wine self-served
|
p
|
Cohen‘s d (95% CI)
|
---|
Estimated mean (SE)
|
Estimated MD
|
(95% CI of the MD)
|
---|
Glass size
|
Small
|
126.7 (3.8)
|
− 33.9
|
− 39.3, − 28.6
|
< 0.001
|
− 1.4 (− 1.5, − 1.2)
|
Medium
|
143.3 (4.35)
|
− 17.3
|
− 21.6, − 13.1
|
< 0.001
|
− 0.7 (− 0.9, − 0.6)
|
Large
|
160.6 (5.2)
|
ref
|
–
|
–
|
–
|
Bottle size
|
Small
|
144.5 (4.3)
|
1.9
|
− 1.0, 4.8
|
0.200
|
0.11 (− 0.04, 0.26)
|
Large
|
142.6 (4.4)
|
ref
|
–
|
–
|
–
|
- MD (Mean difference); SE (Standard error); CI (confidence interval)