Table 3.
Estimated mean differences and model effects for primary outcomes
| 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)