Table 4. Linear hierarchical regression analyses (final model) of determinants of the SCIM III.

Determinant	B (SE)	β	P	Uniquely explained variance (%)
Level of injury (tetraplegia)	–27.7 (1.9)	–0.7	<.001	49.6
Age (older)	–0.2 (0.1)	–0.1	.098	0.6
Sex (female)	–3.0 (2.1)	–0.1	.153	0.5
SHC sum-score (≥4)	–1.6 (1.9)	–0.04	.391	0.2
Waist circumference (m ≥ 102; f ≥ 88)	–3.7 (1.8)	–0.1	.042	1.0

Note: Adjusted R² 0.545 (F = 48.6, p < .001).

SHC, secondary health condition; m, male; f, female.