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Table 1 Characteristics of cases and control subjects*

From: Solvent exposure and malignant lymphoma: a population-based case-control study in Germany

  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
  1. * Probands with missing information are not reported in the table
  2. * Age of control subjects: at the time of diagnosis of the matched case