intraclass correlation coefficients
The test-retest reliability of continuous data produced by the NPRS was accessed by using the intraclass correlation coefficients (ICC) and the level of significance was set at a p-value of less than 0.05.
The test-retest reliability of continuous data produced by the NPRS was accessed by using the intraclass correlation coefficients ( ICC ) and the level of significance was set at a p-value of less than 0 .05 .