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. 2022 May 31;9:892695. doi: 10.3389/fnut.2022.892695

TABLE 5C.

Intraclass correlation coefficient.

Intraclass correlationb 95% confidence interval
F test with true value 0
Lower bound Upper bound Value df1 df2 Sig
Single measures 0.994a 0.991 0.996 699.389 51 153 0.000
Average measures 0.999 0.998 0.999 699.389 51 153 0.000

Two-way random effects model where both people effects and measures effects are random.

aThe estimator is the same, whether the interaction effect is present or not.

bType A intraclass correlation coefficients using an absolute agreement definition.