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