Table 1.
Characteristics of cases and control subjects*
|
Control subjects (n = 710) |
All lymphoma (n = 710) |
Hodgkin lymphoma (n = 116) |
B-Non-Hodgkin lymphoma (n = 554) |
T-Non-Hodgkin lymphoma (n = 35) |
||||||
| N | % | N | % | N | % | N | % | N | % | |
| Gender | ||||||||||
| Female | 320 | 45.1 | 320 | 45.1 | 49 | 42.2 | 251 | 45.3 | 16 | 45.7 |
| Male | 390 | 54.9 | 390 | 54.9 | 67 | 57.8 | 303 | 54.7 | 19 | 54.3 |
| Age at diagnosis** | ||||||||||
| 18 – 29 years | 66 | 9.3 | 68 | 9.6 | 44 | 37.9 | 17 | 3.1 | 4 | 11.4 |
| 30 – 39 years | 80 | 11.3 | 75 | 10.6 | 30 | 25.9 | 39 | 7.0 | 6 | 17.1 |
| 40 – 49 years | 76 | 10.7 | 77 | 10.9 | 13 | 11.2 | 56 | 10.1 | 7 | 20.0 |
| 50 – 59 years | 130 | 18.3 | 132 | 18.6 | 12 | 10.3 | 116 | 20.9 | 4 | 11.4 |
| 60 – 69 years | 209 | 29.4 | 207 | 29.2 | 11 | 9.5 | 185 | 33.4 | 10 | 28.6 |
| 70 – 80 years | 149 | 21.0 | 151 | 21.3 | 6 | 5.2 | 141 | 25.5 | 4 | 11.4 |
| Mean | 56.1 ± 16.3 | 56.1 ± 16.3 | 38.8 ± 15.9 | 60.2 ± 13.6 | 50.6 ± 17.0 | |||||
| Smoking | ||||||||||
| Never smoked | 314 | 44.2 | 297 | 41.8 | 46 | 39.7 | 236 | 42.6 | 14 | 40.0 |
| >0, <6 packyears | 125 | 17.6 | 95 | 13.4 | 22 | 19.0 | 67 | 12.1 | 4 | 11.4 |
| >= 6, < 22.5 packyears | 137 | 19.3 | 140 | 19.7 | 24 | 20.7 | 110 | 19.9 | 5 | 14.3 |
| >= 22.5 packyears | 132 | 18.6 | 166 | 23.4 | 23 | 19.8 | 131 | 23.7 | 11 | 31.4 |
| Alcohol consumption | ||||||||||
| <2 g ethanol/day (men), <0.5 g ethanol/day (women) | 126 | 17.7 | 186 | 26.2 | 47 | 40.9 | 127 | 22.9 | 11 | 31.4 |
| >= 2 g ethanol/day (men), >= 0.5 g ethanol/day (women) | 584 | 82.3 | 520 | 73.2 | 68 | 59.1 | 425 | 76.7 | 23 | 65.7 |
* Probands with missing information are not reported in the table
* Age of control subjects: at the time of diagnosis of the matched case