Table 1.

General linear mixed model to predict fixed effects of six categorical factors on Logt SGI (n = 1,426).

Categorical factors		Statistics
Predictor category	Reference category	ß Coefficient	t	p	95% CI
					Lower	Upper
Quality = 2	Quality = 3	+0.030	1.51	0.130	−0.009	+0.070
SDFT	DDFT	+0.004	0.19	0.846	−0.034	+0.042
Left limb	Right limb	−0.037	−1.84	0.065	−0.076	+0.002
Limb unloaded	Limb loaded	−0.072	−2.93	0.004	−0.121	−0.024
Proximal metacarpal region	Distal region	+0.014	0.58	0.561	−0.033	+0.061
Middle metacarpal region	Distal region	+0.030	1.24	0.215	−0.018	+0.078
Heel Elevation = 0o	Heel elevation = 8o	+0.051	2.15	0.031	+0.004	+0.098
Heel Elevation = 4o	Heel elevation = 8o	+0.016	0.69	0.493	−0.030	+0.063