All (n = 1171) | Cases (n = 43) | Controls (n = 112) | |
---|---|---|---|
Age, mean (SD) | 49.3 (11.1) | 53.9 (12.8) | 48.8 (11.2) |
% female | 7.7 | 4.3 | 7.8 |
No. years in practice | 21.8 (11.3) | 26.8 (13.2) | 21.1 (11.7) |
No. accidental Hg spills in office in past year | 0.5 (2.1) | 1.28 (2.5) | 0.1 (0.4) |
% taking vitamins | 41.7 | 37.0 | 42.9 |