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Table 1 Participant characteristics

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

Measure Small Plate
(n = 67)
Large Plate
(n = 67)
Gender, n = 134
 Men, n (%) 33 (49%) 32 (48%)
 Women, n (%) 33 (49%) 35 (52%)
 Other, n (%) 1 (1%) 0
 Age (Mean (SD)), n = 134 35.9 (12.9) 35.9 (10.9)
Ethnicity, n = 132
 White, n (%) 57 (86%) 57 (86%)
 Non-white, n (%) 9 (14%) 9 (14%)
 BMI (Mean (SD)), n = 134 27.3 (4.9) 26.5 (4.7)
Socio-economic position
Highest qualificationa, n = 132
 No qualifications 3 (5%) 3 (5%)
 Up to 4 GCSE’s 7 (11%) 7 (10%)
 5 or more GCSE’s or 1 A-level 10 (15%) 11 (17%)
 2 or more A-levels 12 (18%) 9 (14%)
 Bachelor’s degree 16 (24%) 16 (24%)
 Post-Graduate degree or qualification 18 (27%) 20 (30%)
Income per year before tax, n = 126
Lower income
 (Up to £39,999)a, n (%) 29 (46%) 32 (51%)
Higher income
 (£40,000 and more), n (%) 34 (54%) 31 (49%)
IMDb (Mean (SD)), n = 120 12.6 (7.7) 11.6 (7.2)
Hunger (Mean (SD)), n = 134 52.4 (25.8) 50.1 (23.7)
Fullness (Mean (SD)), n = 134 26.7 (24.5) 27.9 (21.8)
  1. aLower/higher income categorisation is equivalent to average household income below, and above, ~$50,000 or €45,000
  2. bIndex of Multiple Deprivation