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Table 1 Summary of reliability measures of food-frequency and eating behaviors questions in adults and children

From: Development and reliability of questionnaires for the assessment of diet and physical activity behaviors in a multi-country sample in Europe the Feel4Diabetes Study

 

Adults

Children

Number of questions

Mean ICC (range)

Number of questions

Mean ICC (range)

Frequency of consumption of specific foods

33

0.832 (0.349–0.947)

29

0.767 (0.349–0.953)

Types of fat consumed

15

0.862 (0.786–0.936)

15

0.807 (0.484–0.939)

Meals and snacks frequency

14

0.819 (0.238–0.956)

14

0.851 (0.778–0.925)

Foods consumption at breakfast

16

0.848 (0.667–0.924)

15

0.789 (0.649–0.877)

Breakfast skipping

1

0.861

1

0.670

Meals with company

3

0.824 (0.791–0.888)

3

0.802 (0.744–0.839)

Perception of body weight

1

0.878

1

0.892

Nutrition knowledge

1

0.763

1

0.840