Table 2 Internal consistency the overall questionnaire and individual sections.

From: Development and validation testing of a weight management nutrition knowledge questionnaire for adults

 

Cronbach’s alpha

Overall Cronbach’s alpha (43 items)

0.88

Energy density (19 items)

0.78

Portion size (15 items)

0.74

Variety of food affects food intake (2 items)

0.18

Reliable nutrition information source (2 items)

0.23

Alcohol intake and sugar sweetened beverages (5 items)

0.44

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