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Table 9 Inter-item Correlations at Baseline and EOT, Study 1 and Study 2

From: Psychometric evaluation of the DAILY EATS questionnaire in individuals living with obesity

Item

Inter-item Correlation

Item 1

Item 2

Item 3

Item 4

Item 5

Study 1, n = 91 to 99

 Item 1. Average hunger

0.93*

0.93*

0.82*

−0.23

 Item 2. Worst hunger

0.91*

0.92*

0.77*

−0.12

 Item 3. Appetite

0.83*

0.89*

0.80*

−0.17

 Item 4. Cravings

0.63*

0.66*

0.73*

−0.28*

 Item 5. Satiety

−0.05

0.06

0.10

−0.00

Study 2, n = 142 to 146

 Item 1. Average hunger

0.95*

0.90*

0.78*

0.11

 Item 2. Worst Hunger

0.91*

0.90*

0.78*

0.16

 Item 3. Appetite

0.86*

0.86*

0.81*

0.22*

 Item 4. Cravings

0.73*

0.71*

0.75*

0.04

 Item 5. Satiety

0.24*

0.34*

0.38*

0.21

  1. Note: The baseline inter-item correlations are in the bottom left triangle below the main diagonal, and the end of treatment (Study 1: Week 26; Study 2: Week 12) inter-item correlations are in the top right triangle above the main diagonal
  2. EOT end of treatment, ERCQ Eating-Related Concepts Questionnaire
  3. * P <  0.01