Table 2 Blood lead levels in Korean lead workers by year
Year | n | Men (%) | Women (%) | Age (years; mean ± SD) | BLL (μg/dL; GM (95% CI)) |
|---|---|---|---|---|---|
2003 | 31137 | 23402 (75.2) | 7735 (24.8) | 35.4 ± 9.7 | 5.89 (5.83-5.95) |
2004 | 34701 | 27317 (78.7) | 7384 (21.3) | 36.7 ± 10.1 | 5.22 (5.17-5.27) |
2005 | 33312 | 26832 (80.5) | 6480 (19.5) | 37.2 ± 10.1 | 4.62 (4.58-4.66) |
2006 | 43899 | 37289 (84.9) | 6610 (15.1) | 37.1 ± 9.7 | 4.98 (4.94-5.01) |
2007 | 43517 | 37650 (86.5) | 5867 (13.5) | 37.6 ± 9.8 | 4.42 (4.39-4.45) |
2008 | 42866 | 37470 (87.4) | 5396 (12.6) | 38.3 ± 9.8 | 4.39 (4.35-4.42) |
2009 | 41745 | 37285 (89.3) | 4460 (10.7) | 39.1 ± 9.9 | 3.77 (3.74-3.79) |
2010 | 44382 | 39361 (88.7) | 5021 (11.3) | 38.9 ± 9.7 | 3.63 (3.60-3.65) |
2011 | 49772 | 44118 (88.6) | 5654 (11.4) | 38.5 ± 9.7 | 3.53 (3.50-3.55) |