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. 2017 Sep-Oct;25(5):188–193. doi: 10.1590/1413-785220172505172107

Table 6. Random-effects intraclass correlation coefficient (ICC) for total scores on the FFI-R.

Intraclass correlation 95% Confidence interval F Test with true value 0
Lower bound Upper bound Value df1 df2 Sig
Single measures .793 .667 .876 8,678 51 52 .000