Table 1.
Characteristics of Hodgkin lymphoma cases and controls included in analysis
| Cases (N=473) | Controls (N=373) | |||
|---|---|---|---|---|
| Characteristic | N | (%) | N | (%) |
| Age (years) | ||||
| 15–39 | 287 | (61%) | 201 | (54%) |
| 40–54 | 111 | (23%) | 82 | (22%) |
| 55–79 | 75 | (16%) | 90 | (24%) |
| Sex | ||||
| Male | 242 | (51%) | 211 | (57%) |
| Female | 231 | (49%) | 162 | (43%) |
| Race/ethnicity | ||||
| White | 423 | (89%) | 336 | (90%) |
| Black | 13 | (3%) | 15 | (4%) |
| Hispanic | 20 | (4%) | 7 | (2%) |
| Asian | 4 | (1%) | 8 | (2%) |
| Other/mixed/unknown | 13 | (3%) | 7 | (2%) |
| State | ||||
| Massachusetts | 278 | (59%) | 215 | (58%) |
| Connecticut | 195 | (41%) | 158 | (42%) |
| Education | ||||
| Less than high school | 42 | (9%) | 19 | (5%) |
| High school graduate | 120 | (26%) | 90 | (24%) |
| College | 236 | (51%) | 183 | (49%) |
| Advanced degree | 68 | (15%) | 80 | (22%) |
| Annual household income* | ||||
| <$60,000 | 121 | (26%) | 84 | (23%) |
| $60,000–79,999 | 180 | (39%) | 161 | (43%) |
| $80,000–99,999 | 98 | (21%) | 78 | (21%) |
| ≥$100,000 | 67 | (14%) | 50 | (13%) |
| Percent below poverty level* | ||||
| <2% | 96 | (21%) | 82 | (22%) |
| 2–<4% | 139 | (30%) | 115 | (31%) |
| 4–<6% | 83 | (18%) | 67 | (18%) |
| ≥6% | 148 | (32%) | 109 | (29%) |
| Aspirin use | ||||
| None | 333 | (73%) | 224 | (63%) |
| <2/week | 70 | (15%) | 58 | (16%) |
| ≥2/week | 54 | (12%) | 72 | (20%) |
*
Based on participants’ census tract of residence
Missing data are excluded.