Table 3:
Association Between Patient/Demographic Characteristics and Enrollment on a Clinical Trial, Multivariable Logistic Regression, 2006 and 2012-2013 National Cancer Institute Patterns of Care Study (N=3,135)+
| Characteristic | Odds Ratio | 95% Confidence Interval |
|---|---|---|
| Patient Characteristics | ||
| Year | ||
| 2006 | Ref. | |
| 2012-2013 | 0.75 | (0.55,1.02) |
| Cancer Type | ||
| Non-Hodgkin Lymphoma | Ref. | |
| Hodgkin Lymphoma | 1.44 | (0.89,2.32) |
| Acute Lymphoblastic Leukemia | 11.93 | (5.61,25.39) |
| Sarcoma | 3.20 | (1.65,6.23) |
| American Joint Commission on Cancer Stage | ||
| I | Ref. | |
| II | 1.65 | (0.88,3.11) |
| III | 1.71 | (0.89,3.31) |
| IV | 1.79 | (1.00,3.22) |
| 0/Unknown/Unstaged | 0.73 | (0.35,1.55) |
| Age at Diagnosis, Years | ||
| 15-19 | Ref. | |
| 20-24 | 0.62 | (0.42,0.92) |
| 25-29 | 0.47 | (0.29,0.76) |
| 30-34 | 0.28 | (0.16,0.49) |
| 35-39 | 0.29 | (0.17,0.49) |
| Race/Ethnicity | ||
| Non-Hispanic White | Ref. | |
| Non-Hispanic Black | 0.65 | (0.43,0.98) |
| Hispanic | 0.77 | (0.52,1.14) |
| Other* | 0.65 | (0.42,1.00) |
| Sex | ||
| Male | Ref. | |
| Female | 0.91 | (0.67,1.24) |
| Marital Status | ||
| Married | Ref. | |
| Other | 0.83 | (0.56,1.23) |
|
Comorbidities |
||
| No | Ref. | |
| Yes | 0.97 | (0.72,1.31) |
| Insurance | ||
| Private | Ref. | |
| Public | 0.92 | (0.64,1.31) |
| No-Insurance/Unknown | 0.57 | (0.26,1.28) |
| Census Tract Median Family Income ($, Thousands) | ||
| <55 | 1.43 | (0.94,2.17) |
| 55-<75 | 0.97 | (0.70,1.35) |
| >=75 | Ref. | |
| Provider Characteristics | ||
| Physician Specialty | ||
| Pediatric Hematology/Oncology only | Ref. | |
| Adult Hematology/Oncology Only | 0.31 | (0.11,0.85) |
| Pediatric Oncology + Other | 0.99 | (0.35, 2.85) |
| Adult Hematology/Oncology +Other/Unknown | 0.19 | (0.07, 0.54) |
| Treating Hospital Bed Size | ||
| <200 | Ref. | |
| 200-299 | 1.08 | (0.63,1.85) |
| 300-399 | 1.78 | (1.06,2.98) |
| >=400 | 1.34 | (0.86,2.08) |
| Unknown + Outpatient/Physician Office | 1.64 | (0.70,3.82) |
| Residency Training Program | ||
| Yes | Ref. | |
| No/Unknown | 0.67 | (0.44,1.03) |
*
Includes Asian/Pacific Islander; American Indian/Alaskan Native; Bold indicates P<0.05;
+
Multivariable models include all patient and provider characteristics listed.