Table 6.

Predictors of relaxed G tolerance (RGT) and straining G tolerance (SGT) in the multivariate linear regression.

Model and variables		β	SE	95% CI	P value
RGT model
	Age	0.066	0.015	0.037 to 0.095	<.001
	WCFIa × 100 (kg × G/bpmb)	0.043	0.017	0.009 to 0.078	.01
	Height (cm)	–0.037	0.009	–0.055 to –0.020	<.001
	SBPc (mm Hg)	0.015	0.004	0.007 to 0.023	<.001
	HRd (bpm)	–0.010	0.004	–0.017 to –0.001	.02
	Constant	7.724	1.516	4.736 to 10.712	<.001
SGT model
	WCFI × 100 (kg × G/bpm)	0.103	0.019	0.065 to 0.141	<.001
	Height (cm)	–0.069	0.011	–0.091 to –0.048	<.001
	SBP (mm Hg)	0.018	0.005	0.008 to 0.028	<.001
	Constant	15.899	1.700	12.549 to 19.250	<.001

^aWCFI: walking cardiac force index.

^bbpm: beats per minute.

^cSBP: systolic blood pressure.

^dHR: heart rate.