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Table 2 Population in the catchment area* and distribution of EAGLE subjects by gender, age, and residence (matching variables)

From: Environment And Genetics in Lung cancer Etiology (EAGLE) study: An integrative population-based case-control study of lung cancer

  Population Cases Controls
  No. % No. % No. %
Area       
   Brescia 272,786 16.6 275 13.1 248 11.7
   Milan 963,341 58.7 1369 65.2 1440 67.9
   Monza 155,491 9.5 144 6.8 117 5.5
   Pavia 122,036 7.4 137 6.5 130 6.1
   Varese 128,420 7.8 176 8.4 185 8.7
Gender       
   Females 867,310 52.8 449 21.4 500 23.6
   Males 774,764 47.2 1652 78.6 1620 76.4
Age       
   35–39 242,876 14.8 12 0.6 17 0.8
   40–44 203,923 12.4 19 0.9 28 1.3
   45–49 185,568 11.3 52 2.5 71 3.3
   50–54 206,127 12.6 133 6.3 127 6.0
   55–59 183,214 11.2 240 11.4 300 14.1
   60–64 196,734 12.0 359 17.1 371 17.5
   65–69 167,764 10.2 474 22.6 489 23.1
   70–74 143,191 8.7 471 22.4 424 20.0
   75–79 112,677 6.9 341 16.2 293 13.8
Total 1,642,074 100.0 2101 100.0 2120 100.0
  1. *N = 216 municipalities, 2001 census; age 35–79 years.