Table 3 Standardized major-axis regression between the step-count estimations of all the devices, free-living trial

Yamasa.P ~ Yamasa.A

y = 0.85x + 501

Yamasa.P ~ Tanita

y = 0.86x + 1043

Yamasa.P ~ Panasonic

y = 0.77x − 181

Yamasa.P ~ Omron

y = 0.82x + 441

Yamasa.P ~ ActiGraph.H

y = 0.88x + 58

Yamasa.P ~ ActiGraph.W

y = 0.63x − 873

Yamasa.A ~ Tanita

y = 1.00x + 649

Yamasa.A ~ Panasonic

y = 0.86x − 440

Yamasa.A ~ Omron

y = 0.93x + 151

Yamasa.A ~ ActiGraph.H

y = 1.01x − 359

Yamasa.A ~ ActiGraph.W

y = 0.73x − 1469

Tanita ~ Panasonic

y = 0.81x − 668

Tanita ~ Omron

y = 0.90x − 251

Tanita ~ ActiGraph.H

y = 0.98x − 809

Tanita ~ ActiGraph.W

y = 0.68x − 1550

Panasonic ~ Omron

y = 1.00x + 1256

Panasonic ~ ActiGraph.H

y = 1.07x + 803

Panasonic ~ ActiGraph.W

y = 0.80x − 668

Omron ~ ActiGraph.H

y = 1.01x − 37

Omron ~ ActiGraph.W

y = 0.73x − 1171

ActiGraph.H ~ ActiGraph.W

y = 0.73x − 1196