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. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: Am J Cardiol. 2011 Sep 29;109(1):135–139. doi: 10.1016/j.amjcard.2011.07.072

Table 3.

Multivariate Models: Association between Caregiving and Death or Rehospitalization at 1 Year among Hospitalized Medical Cardiovascular Service Patients

Death or Rehospitalization at 1 Year
Variable Model 1: Bivariate Model 2: Demographic Adjusted Model 3: Demographic/Comorbidity Adjusted Model 4: Fully Adjusted
OR (95% CI) OR (95% CI) OR (95% CI) OR (95% CI)
Had a Paid Caregivera 2.46 (1.96–3.09) 2.19 (1.71–2.81) 1.87 (1.45–2.40) 1.64 (1.26–2.12)
Had an Informal Caregivera 1.40 (1.18–1.65) 1.34 (1.13–1.59) 1.23 (1.03–1.47) 1.20 (1.00–1.44)
Age ≥65 years 1.42 (1.22–1.65) 1.30 (1.12–1.52) 1.22 (1.04–1.43)
Minority Race/Ethnicity 1.09 (0.93–1.27) 1.06 (0.90–1.24) 1.10 (0.93–1.30)
Men 1.04 (0.89–1.21) 1.01 (0.87–1.18) 1.04 (0.89–1.22)
No Health Insurance 1.40 (1.12–1.75) 1.32 (1.05–1.66) 1.32 (1.05–1.66)
Ghali Comorbidity Index Score >1 2.08 (1.78–2.43) 1.79 (1.52–2.10)
≥9 Medications 1.79 (1.52–2.11)
Diabetes Mellitus 1.15 (0.97–1.36)
Chronic Obstructive Pulmonary Disease 1.07 (0.77–1.48)
Hypertension (history) 0.96 (0.80–1.15)
a

Referent group=Have no caregiver; Patients who reported having both paid and informal caregivers [n=120] were categorized as having a paid caregiver