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. Author manuscript; available in PMC: 2016 Apr 19.
Published in final edited form as: Clin Trials. 2012 Oct 2;9(6):788–797. doi: 10.1177/1740774512458992

Table 4.

Multivariable logistic regression models predicting ineligibility and refusal

Variable Ineligibility
Refusal
OR 95% CI OR 95% CI
Race White 1.00 1.00
AA 1.26 1.00–1.58* 1.79 1.27–2.52***
Gender Men 1.00 1.00
Women 1.77 1.41–2.25 0.939 0.641–1.375
Age 21–48 1.00 1.00
49–57 1.21 0.90–1.63 1.08 0.71–1.65
58–65 1.38 1.02–1.87 1.19 0.78–1.83
≥65 1.09 0.70–1.70 1.83 0.91–3.66
Insurance Commercial 1.00 1.00
Medicaid 1.64 1.14–2.35*** 0.89 0.52–1.55
Medicare 2.35 1.64–3.36 0.61 0.34–1.09
Uninsured 2.02 1.38–2.94 0.81 0.44–1.47
Cancer type Hematologic 1.00 1.00
Solid tumor 1.19 0.85–1.69 1.92 1.16–3.18**
Study phase Phase I 1.00 1.00
Phases II and III 1.66 1.14–2.43** 1.18 0.65–2.13

OR: odds ratio; CI: confidence interval; AA: African-American.

*

p <0.05,

**

p <0.01,

***

p <0.001.