Table 3.

Regression model for polypharmacy.

Independent variable	B	SE	Wald	df	P value	Odds ratio	95% CI
							Lower limit	Upper limit
Age (yrs)	0.073	0.021	11.613	1	0.001	1.076	1.032	1.122
Injury duration (mo)	0.025	0.009	8.047	1	0.005	1.025	1.008	1.043
Completeness	2.014	0.739	7.416	1	0.006	7.491	1.758	31.914
Constant	−5.608	1.361	16.989	1	0.000	0.004

*Reference categories are “Complete spinal cord injury” for completeness.

SE, Standard error; df, degrees of freedom; CI, confidence interval.