Table 5. Logistic regression models predicting receiving multimodal therapy (any combination of surgery, chemotherapy, or radiation therapy).
| Model 1 a | Model 2 a | |||||
|---|---|---|---|---|---|---|
| Characteristic | OR | 95% CI | p -Value | OR | 95% CI | p -Value |
| Age categories (y) | ||||||
| < 45 | – | – | – | – | ||
| 45–59 | 0.63 | 0.51, 0.77 | <0.001 | 0.62 | 0.50, 0.76 | <0.001 |
| 60–79 | 0.45 | 0.36, 0.55 | <0.001 | 0.44 | 0.36, 0.54 | <0.001 |
| 80+ | 0.11 | 0.08, 0.15 | <0.001 | 0.11 | 0.08, 0.15 | <0.001 |
| Sex | ||||||
| Female | – | – | – | – | ||
| Male | 0.99 | 0.85, 1.15 | 0.889 | 0.99 | 0.85, 1.15 | 0.865 |
| Race | ||||||
| White | – | – | – | – | ||
| Black | 0.79 | 0.64, 0.98 | 0.030 | 0.86 | 0.69, 1.08 | 0.195 |
| Asian/Pacific Islander | 1.14 | 0.97, 1.33 | 0.107 | 1.15 | 0.99, 1.35 | 0.074 |
| Alaskan Native/Native American | 0.68 | 0.27, 1.87 | 0.430 | 0.7 | 0.27, 1.94 | 0.469 |
| Other | 0.68 | 0.33, 1.43 | 0.289 | 0.67 | 0.33, 1.42 | 0.279 |
| Hispanic ethnicity | ||||||
| Non-Hispanic | – | – | – | – | ||
| Hispanic | 0.95 | 0.73, 1.24 | 0.679 | 1.01 | 0.77, 1.32 | 0.964 |
| The Yost Index | ||||||
| Third tertile | – | – | ||||
| Second tertile | 0.92 | 0.77, 1.09 | 0.335 | |||
| First tertile | 0.71 | 0.60, 0.85 | <0.001 | |||
Abbreviations: CI, confidence interval; OR, odds ratio; SES, socioeconomic status.
Notes: Figures in bold indicate statistical significance p < 0.05.
SES is incorporated in a step-wise analysis: model 1 without SES and model 2 with SES.
a
Models also control for overall stage of disease.