Skip to main content

Table 2 Models of Medicare spending 1-year following index discharge (N = 4684)

From: One-year costs of medical admissions with and without a 30-day readmission and enhanced risk adjustment

 

Model 1

Model 2

Model 3

Model 4

Readmission

17726***

17670***

18163***

16516***

Female

524

894

 

413

Age

 65–74

Reference

Reference

 

Reference

 75–84

− 872

−520

 

799

 85+

− 8009***

− 7460**

 

− 4510^

Race

 Whites

Reference

Reference

 

Reference

 Blacks

10750***

10079***

 

8768**

 Hispanics

6619^

5677

 

6288

 Others

− 2463

− 3586

 

− 2035

Dual (Medicare-Medicaid) coverage

− 1403

− 1836

 

− 2188

Ever Smoker

2703^

2687^

 

2689^

Overweight+Obese

− 2252

− 2432

 

− 1194

Education

 < 12 years of education

 

Reference

 

Reference

 High school

 

− 1433

 

− 1534

 Bachelor and above

 

− 4562^

 

− 4630^

Living Type

 Community-Alone

 

Reference

 

Reference

 Community-Two people

 

1143

 

1411

 Community-More than two

 

5162

 

4767

 Facility

 

1228

 

2200

Income

 Poorest quartile

 

Reference

 

Reference

 Second quartile

 

− 2059

 

− 2083

 Top two quartiles

 

149

 

332

Marital Status

 Married

 

Reference

 

Reference

 Widowed

 

− 824

 

38

 Divorced/separated

 

559

 

1697

 Never married

 

− 5076

 

− 3735

Previous year utilization

 Hospitalizations days

  

− 441^

− 343

 Number of hospitalizations

  

2113

712

 Overall Medicare spending ($)

  

0.255***

0.198***

Constant

6054

7821

29190***

8961

R-squared

0.13

0.14

0.11

0.17

  1. Notes. Other covariates included in models 1, 2, and 4 were Charlson comorbidity index conditions, HRR-level Medicare spending (quintiles), index admission condition, census region (N = 9) and index year (2001–2010). All spending are in dollars
  2. ^ p < 0.10, ** p < 0.01, *** p < 0.001