Table 4.

Correlation coefficients for logistic regression variables.

Feat. No.	Feature name	Feat. 3	Feat. 14	Feat. B	Feat. 22	Feat. 26	Feat. 17	Feat. 22	Constant
3	Pitch thigh AUC arc F	1
14	Spine SI-ST P peak 2	0.6497	1
B	TUG stopwatch	−0.5944	−0.6788	1
22	Spine roll arc D smoothness 2	−0.4708	−0.6108	0.6115	1
26	Spine roll ST-SI peak 2	−0.3076	−0.4255	0.6184	0.6541	1
17	Spine pitch arc Q AUC	−0.4127	−0.3760	0.4943	0.5171	0.5824	1
27	Spine roll arc N smoothness 1	0.3912	0.5824	−0.4617	−0.6010	−0.3227	−0.1667	1
	Constant	−0.6858	−0.6106	0.0647	0.3809	−0.0138	0.3331	−0.2289	1

SI-ST, sit-to-stand transition; ST-SI, stand-to-sit transition; AUC, area under the curve; Abs, absolute value.