Table 5. Factors affecting readmission related to a drug-related problem.

Factors	Univariate analysis	Multivariate analysis
Missed follow-up appointment (based on interview)	3.64 (1.13–11.67)	5.63 (1.52–20.86)
Education, associate degree or higher	2.05 (0.83–5.07)	2.15 (0.80–5.82)
Age, years	1.02 (0.99–1.04)	1.03 (1.00–1.06)
Days to readmission	0.98 (0.96–1.01)	0.98 (0.96–1.01)
Medication history taken by pharmacist on index admission	0.53 (0.23–1.23)	0.56 (0.21–1.45)
Pharmacy consult present	0.04 (0.17–0.95)	0.38 (0.15–0.99)

Note: Values given as odds ratio (95% confidence interval).