Table 2.

Multivariate logistic regression models of associations with readmission

		Odds of 30-day readmission (n = 54)		Odds of 60-day readmission (n = 54)
		OR (95% CI)	p	OR (95% CI)	p
Age (years)		1.01 (.94–1.09)	.79	1.01 (.94–1.10)	.74
Body mass index		0.84 (.70–.99)	.04	0.89 (.77–1.03)	.13
Charlson comorbidity index	9 or higher	1.09 (.22–5.39)	.92	2.51 (.51–12.32)	.26
	8 or lower (referent)	1.00		1.00
Hospital length of stay (days)		0.93 (.82–1.04)	.20	0.95 (.85–1.07)	.43
Mean steps/inpatient day (hundreds of steps)		0.83 (.72–.96)	.01	0.82 (.71–.95)	<.01

CI confidence interval; OR odds ratio.