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Table 4 Logistic regression and ordered logistic regression modeling likelihood of participating in bundled payment programa

From: Medical oncologists’ willingness to participate in bundled payment programs

 

Logistic regression

Ordered logistic regression

Category

Odds ratio

p-value

95% confidence interval

Odds ratio

p-value

95% confidence interval

Bundled payment amount

 $5000

Ref

  

Ref

  

 $10,000

1.60

0.16

0.83–3.07

1.82

0.01

1.16–2.86

 $15,000

3.19

< 0.001

1.69–6.03

2.35

< 0.001

1.45–3.79

 $20,000

1.94

0.07

0.96–3.93

1.87

0.021

1.01–3.17

Age

1.03

0.005

1.01–1.05

1.02

0.01

1.00–1.04

Gender

      

 Male

Ref

  

Ref

  

 Female

0.48

0.009

0.28–0.83

0.60

0.009

0.41–0.88

Level of involvement in insurance contracting decisions for practice

 Somewhat/slightly/not at all involved

Ref

  

Ref

  

 Extremely/considerably involved

1.55

0.10

0.92–2.62

1.04

0.86

0.67–1.61

Views about the costs of cancer care:

High cost drugs should not be offered to patients when they have minimal effect on survival.

 Somewhat or strongly disagree/neither agree nor disagree

Ref

  

Ref

  

 Somewhat or strongly agree

2.09

0.002

1.30–3.38

1.61

0.009

1.12–2.29

Patients should have access to all effective treatments for their cancer regardless of cost.

 Somewhat or strongly disagree/neither agree nor disagree

Ref

  

Ref

  

 Somewhat or strongly agree

1.02

0.93

0.61–1.71

0.96

0.84

0.65–1.42

Oncologists have a responsibility to balance the potential benefit of a drug with the potential cost of the drug.

 Somewhat or strongly disagree/neither agree nor disagree

Ref

  

Ref

  

 Somewhat or strongly agree

1.01

0.98

0.59–1.73

1.34

0.17

0.88–2.04

It is only important to consider the costs of treatment if they are not covered by insurance.

 Somewhat or strongly disagree/neither agree nor disagree

Ref

  

Ref

  

 Somewhat or strongly agree

1.31

0.32

0.77–2.22

1.27

0.26

0.84–1.95

  1. aThe regression model was adjusted for physicians’ geographic location by US state as well as for characteristics of physicians’ patient panels, including the percentage of patients who are black, have no health insurance, and are covered by Medicaid. Responses to questions about physicians’ patient panels were collected on a 5-point scale (< 1%, 1–5%, 6–20%, 21–50%, 51–100%), and dichotomized as < 5% of patients versus 6–100%
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BMC Health Services Research

ISSN: 1472-6963

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