Table 5 Test–retest reliability for the overall and dimensions of the weight management nutrition knowledge questionnaire for Chinese adults (C-WMNKQ) (N = 129).

From: Development and validation testing of a weight management nutrition knowledge questionnaire for Chinese adults (C-WMNKQ)

Categories(Number of items)

Spearman correlation

p value

ICC(95% CI)

Total score(39)

0.843

<0.001

0.908(0.870–0.935)

Energy density(16)

0.768

<0.001

0.850(0.785–0.895)

Portion size(14)

0.730

<0.001

0.842(0.777–0.889)

Variety of food affects food intake(2)

0.318

<0.001

0.496(0.288–0.644)

Reliable nutrition information source(2)

0.470

<0.001

0.625(0.470–0.735)

Alcohol intake and sugar sweetened beverages(5)

0.590

<0.001

0.725(0.611–0.806)

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