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

Seidler et al. Journal of Occupational Medicine and Toxicology 2007 2:2   doi:10.1186/1745-6673-2-2

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