Table 1.
Selected characteristics of NHL cases and controls in the Janus cohort
| Characteristic | Cases, n=190 n (%) | Controls, n=190 n (%) |
|---|---|---|
|
| ||
| Age in years at enrollment | ||
| <30 | 4 (2.1) | 4 (2.1) |
| 30–40 | 40 (21.1) | 36 (18.9) |
| 40–45 | 59 (31.1) | 63 (33.2) |
| >45 | 87 (45.8) | 87 (45.8) |
| Median (min, max) years to diagnosis | 16.6 (2.4, 25.3) | |
| Sex | ||
| Male | 134 (70.5) | 134 (70.5) |
| Female | 56 (29.5) | 56 (29.5) |
| Cigarette use | ||
| Current | 84 (44.2) | 91 (47.9) |
| Former | 36 (19.0) | 37 (19.5) |
| Never | 70 (36.8) | 62 (32.6) |
| BMI (tertiles) | ||
| 17.7–23.0 | 56 (29.5) | 64 (33.7) |
| 23.1–25.1 | 64 (33.7) | 63 (33.2) |
| 25.2–37.2 | 70 (36.8) | 63 (33.2) |
| Year of enrollment/blood collection | ||
| 1972–1974 | 95 (50.0) | 94 (49.5) |
| 1975–1978 | 95 (50.0) | 96 (50.5) |
Note: NHL, non-Hodgkin lymphoma; BMI, body mass index