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. 2024 Mar 28;19(3):e0300351. doi: 10.1371/journal.pone.0300351

Table 5. ICC agreement for KTS time captured by video and MMC.

Test (n = 25) Mean SD ICC average measures 95% confidence interval p value
Lower bound Upper bound
Kinect_STK_time(s) 1.73 0.59 0.62 0.16 0.83 0.010*
Video_STK_time(s) 1.62 0.47

Cronbach’s alpha = 0.624

Cronbach’s alpha based on standardized items = 0.635

p value–agreement between devices (*statistically significant); two-way random effects model where both people effects and measures effects are random; †the estimator is the same, whether the interaction effect is present or not; ‡type A intraclass correlation coefficients using an absolute agreement definition; ICC = intraclass correlation coefficients