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Table 3 Estimated mean differences and model effects for primary outcomes

From: Size and shape of plates and size of wine glasses and bottles: impact on self-serving of food and alcohol

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
  1. MD (Mean difference); SE (Standard error); CI (confidence interval)