Table 1.
Cohort Characteristics
| Variable | Subcategory | All patients (n=376) n (%) or median (IQR) |
|---|---|---|
| Radiation Type | Partial breast irradiation (PBI) | 53 (14%) |
| Whole breast irradiation (WBI) | 219 (58%) | |
| Post-mastectomy radiation/WBI with regional nodal irradiation | 104 (28%) | |
| Age (years) | ― | 54 (46–63) |
| Race | White | 239 (64%) |
| Asian/Indian | 40 (11%) | |
| Black or African American | 40 (11%) | |
| Hispanic/Latino | 30 (8%) | |
| Other | 11 (3%) | |
| Unknown | 16 (4%) | |
| Clinic Type | Main | 97 (26%) |
| Education | Less than a high school diploma | 3 (1%) |
| High school diploma | 44 (12%) | |
| College/Vocational school | 86 (23%) | |
| Graduate or professional school | 89 (24%) | |
| Unknown | 154 (41%) | |
| Employment | Yes | 180 (48%) |
| No | 103 (27%) | |
| Unknown | 93 (25%) | |
| Chemotherapy | Yes | 184 (49%) |
| Distance to treatment center (miles, n=370) | ― | 14 (8–22) |
| Socioeconomic status (n=369) | ― | 12 (5–19) |