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Table 4 Results from the concurrent validity analysis for the non-dominant hand

From: Isometric hand grip strength measured by the Nintendo Wii Balance Board – a reliable new method

Non-dominant hand

Measurement(s)

Pearson’s product–moment correlation

ICC [95 % CI]

First measurement

0.80 (p < 0.001)

.763 [.559-.880]

Mean of the two first measurements

0.80 (p < 0.001)

.748 [.535-.872]

Mean of all three measurements

0.82 (p < 0.001)

.768 [.562-.882]

Highest value of all three measurements

0.86 (p < 0.001)

.794 [.611-.896]

  1. Intraclass correlation coefficient (ICC) with 95 % confidence intervals [95 % CI] and Pearson’s product–moment correlation with p-values are given for one measurement, mean of two measurements, mean of three measurements and highest value of three measurements. All measurements are from session 1