Radiofrequency Radiation Dosimetry Handbook - Fourth Edition

Table 9.9. Statistical Analysis Of Measured Data On Threshold Currents For Perception With Subjects Barefoot And With The Wristband
(Gandhi et al., 1984)

Frequency (kHz)

(Barefoot) (Wristband)


10 30 100 300 1000 10 30 100 300 1000
N 7 8 7 8 8 5 6 4 7 4
Mean 5.40 14.0 77.4 105.1 93.7 5.46 13.1 71.7 99.9 106.8
±SD 0.92 3.1 22.5 29.7 13.1 0.99 0.5 15.9 28.2 16.7
N 5 6 4 8 5
r 0.89 0.22 0.98 0.75 0.80



Overall; N = 28; r = +0.95; p < 0.01