Table 2

Univariable and multivariable ORs for 30-day readmission from GEE models

Univariable GEE
(unadjusted)
Univariable GEE (adjusted*)Multivariable GEE (adjusted*)
OR95% CIOR95% CIOR95% CI
Race-ethnicityReference: non-Hispanic white
African American1.211.16 to 1.261.181.14 to 1.231.081.04 to 1.13
Hispanic0.700.62 to 0.780.860.78 to 0.960.820.73 to 0.91
Other0.770.72 to 0.780.900.85 to 0.960.900.84 to 0.96
ADI (continuous)††1.041.04 to 1.051.041.03 to 1.041.021.01 to 1.02
Drug use1.481.37 to 1.591.541.43 to 1.651.351.26 to 1.46
Lives alone1.421.36 to 1.471.171.13 to 1.221.111.07 to 1.16
Depression1.431.36 to 1.501.251.30 to 1.311.211.16 to 1.27
Dual eligible1.821.73 to 1.901.371.31 to 1.431.251.19 to 1.31
InsuranceReference: commercial
Medicaid1.421.34 to 1.511.361.28 to 1.441.281.21 to 1.36
Medicare2.442.34 to 2.541.451.37 to 1.531.261.19 to 1.33
Other/unknown0.710.59 to 0.860.770.64 to 0.920.830.69 to 0.99
  • *GEE models adjusted for age, gender, individual Charlson-related comorbidities, and Agency for Health Care Research and Quality Clinical Classifications Software Refined for primary diagnosis categories.

  • †OR for 10-unit increase in ADI.

  • ADI, Area Deprivation Index; GEE, generalised estimating equations.