Table 3.
Results From Multivariable Logistic Regression Analysis

| Factor | Unstaged or Unknown-Stage Cancer |
Distant-Stage Cancer |
Definitive Treatment for Locoregional Cancer* |
|||
|---|---|---|---|---|---|---|
| Adjusted OR | 95% CI | Adjusted OR | 95% CI | Adjusted OR | 95% CI | |
| Mental illness | ||||||
| Yes | 0.61† | 0.44 to 0.86 | 0.59† | 0.40 to 0.85 | 1.04 | 0.84 to 1.29 |
| No‡ | 1.0 | 1.0 | 1.0 | |||
| Age, years | ||||||
| 18-39‡ | 1.0 | 1.0 | 1.0 | |||
| 40-49 | 1.22 | 0.64 to 2.34 | 0.76 | 0.42 to 1.37 | 0.63§ | 0.43 to 0.93 |
| 50-59 | 0.98 | 0.50 to 1.91 | 0.84 | 0.46 to 1.54 | 0.67 | 0.45 to 0.99 |
| 60-64 | 1.57 | 0.80 to 3.09 | 1.01 | 0.53 to 1.92 | 0.68 | 0.44 to 1.03 |
| Race | ||||||
| African American | 1.13 | 0.76 to 1.68 | 1.29 | 0.84 to 1.98 | 0.92 | 0.71 to 1.17 |
| Other‡ | 1.0 | 1.0 | 1.0 | |||
| Marital status | ||||||
| Married‡ | 1.0 | 1.0 | 1.0 | |||
| Not married | 1.00 | 0.65 to 1.57 | 1.34 | 0.84 to 2.13 | 1.39§ | 1.08 to 1.79 |
| Unknown | 2.06† | 1.26 to 3.38 | 1.15 | 0.63 to 2.12 | 1.20 | 0.86 to 1.67 |
| Region | ||||||
| Appalachian | 1.42 | 0.77 to 2.63 | 0.76 | 0.40 to 1.45 | 1.13 | 0.78 to 1.62 |
| Metro | 1.32 | 0.74 to 2.32 | 0.84 | 0.49 to 1.45 | 0.80 | 0.58 to 1.11 |
| Rural | 0.80 | 0.36 to 1.79 | 1.27 | 0.65 to 2.50 | 1.26 | 0.82 to 1.95 |
| Suburban‡ | 1.0 | 1.0 | 1.0 | |||
| Comorbidities | ||||||
| Yes | 0.86 | 0.55 to 1.35 | 0.44‖ | 0.28 to 0.69 | 1.60† | 1.21 to 2.12 |
| No‡ | 1.0 | 1.0 | 1.0 | |||
| Nursing home | ||||||
| Yes | 4.17‖ | 2.25 to 7.71 | 3.91‖ | 1.84 to 8.30 | 0.95 | 0.55 to 1.63 |
| No‡ | 1.0 | 1.0 | 1.0 | |||
| Medicare | ||||||
| Yes | 0.75 | 0.48 to 1.19 | 0.60 | 0.35 to 1.03 | 0.74§ | 0.58 to 0.96 |
| No† | 1.0 | 1.0 | 1.0 | |||
| Disability | ||||||
| Yes | 1.38 | 0.91 to 2.08 | 1.61§ | 1.02 to 2.54 | 1.79‖ | 1.38 to 2.31 |
| No‡ | 1.0 | 1.0 | 1.0 | |||
| Spend-down program | ||||||
| Yes | 1.35 | 0.83 to 2.20 | 0.97 | 0.53 to 1.79 | 1.29 | 0.95 to 1.76 |
| No† | 1.0 | 1.0 | 1.0 | |||
| Length of enrollment in Medicaid before cancer diagnosis, years | 0.92§ | 0.86 to 0.98 | 0.93§ | 0.86 to 0.99 | 1.00 | 0.96 to 1.04 |
| Cancer stage | ||||||
| Local | — | — | 3.06‖ | 2.50 to 3.73 | ||
| Regional‡ | 1.0 | |||||
Abbreviation: OR, odds ratio.
Analysis of receipt of definitive treatment was limited to patients with local- or regional-stage cancer.
P < .01.
Referent.
P < .05.
P < .001. All other statistics not significant at P < .05.