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Table 2 Intraclass correlation coefficient between initial test and re-test (n = 38) for the WHO-5 Sinhala version

From: Assessing mental well-being in a Sinhala speaking Sri Lankan population: validation of the WHO-5 well-being index

Item ICC 95% Confidence Interval p-value
I have felt cheerful and in good spirits 0.707 0.443–0.847 < 0.001
I have felt calm and relaxed 0.749 0.521–0.869 < 0.001
I have felt active and vigorous 0.638 0.296–0.813 0.002
I woke up feeling fresh and rested 0.730 0.487–0.859 < 0.001
My daily life has been filled with things that interest me 0.738 0.502–0.863 < 0.001