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Table 2 Comparison of non-participating cases and controls on selected characteristics*

From: Evaluation of contaminated drinking water and male breast cancer at Marine Corps Base Camp Lejeune, North Carolina: a case control study

Characteristic Controls (n = 27) Cases (n = 7)
# % # %
Age at diagnosis, in years
<50 4 14.8 0 0
≥50 - <60 2 7.4 1 14.3
≥60 - <80 19 70.4 6 85.7
≥80 2 7.4 0 0
Race
White 24 88.9 5 71.4
Black/other 2 7.4 2 28.6
Birth cohort
≤1925 9 33.3 0 0
1926-1935 10 37.0 4 57.1
1936-1945 1 3.7 2 28.6
1946-1950 4 14.8 0 0
≥1950 3 11.1 1 14.3
  1. adata available from VACCR