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Table 4 Correlations (rs) between ideal portion size and predictors of food intake, for individual test foods

From: Testing an online measure of portion size selection: a pilot study concerned with the measurement of ideal portion size

Predictor variable

Granola

Chicken chow mein

Salted crisps

Madeira sponge cake

Chocolate buttons

Skittles

Age (years)

−.317 (−.313)

.047 (.077)

.270 (.274)

−.014 (−.013)

−.025 (.004)

−.129 (−.138)

BMI (kg/m2)

.008 (.014)

.106 (.172)

.106 (.114)

−.051 (−.036)

−.002 (.028)

.169 (.171)

Expected satiation (100mm)

−.004 (−.022)

.158 (.116)

−.032 (−.030)

−.247 (−.229)

−.211 (−.224)

−.116 (−.101)

Expected satiety (kcal)

.237 (.233)

.391* (.321)

.461* (.459)*

.508** (.498)**

.393* (.380)

.472* (.469)*

  1. Coefficients accounting for effects of baseline hunger and fullness are given in brackets
  2. **Correlation is significant, p < 0.001; *correlation is significant, p < 0.008 (Bonferroni-correction applied)