Quantitative Approach Based on Wearable Inertial Sensors to Assess and Identify Motion and Errors in Techniques Used during Training of Transfers of Simulated c-Spine-Injured Patients

Table 3

Hierarchical multiple regression predicting peak relative motion from Slope_Push, ABC_Roll-Push, and Delay_{push_ini}.

Variable	Peak motion
	Model 1		Model 2
	B^1	β	B^1	β
Constant	12.053		17.63
SlopeRoll	35.797	0.426	31.77	0.378
ABCRoll-Push	0.011	0.383	0.01	0.400
DelayPush_ini	12.388	0.286	10.18	0.235
Technique	—	—	−0.96	−0.076
Number of assistants	—	—	−2.43	−0.191
R^2	0.515		0.551
F	27.983		18.913
∆R^2	0.074		0.036
∆F	—		3.088

Notes: ¹B is the unstandardized coefficient indicating the change in the dependent variable associated with a single unit of change in the independent variable. .