Table 3.
Distribution of blood lead level (μg/dL) measurements by each exposure category and year
| Year | PbB <3 μg/dL | 3≤ PbB <5 | 5≤ PbB <10 | 10≤ PbB <30 | 30≤ PbB <40 | 40≤ PbB <60 | PbB ≥60 | Total |
|---|---|---|---|---|---|---|---|---|
|
2003 |
6269 (20.13) |
7849 (25.21) |
8223 (26.41) |
7467 (23.98) |
918 (2.95) |
368 (1.18) |
43 (0.14) |
31137 |
|
2004 |
7471 (21.53) |
10440 (30.09) |
9971 (28.73) |
5618 (16.19) |
749 (2.16) |
410 (1.18) |
42 (0.12) |
34701 |
|
2005 |
8826 (26.49) |
10319 (30.98) |
8757 (26.29) |
4672 (14.02) |
446 (1.34) |
245 (0.74) |
47 (0.14) |
33312 |
|
2006 |
10666 (24.30) |
14696 (33.48) |
10266 (23.39) |
6924 (15.77) |
877 (2.00) |
426 (0.97) |
44 (0.10) |
43899 |
|
2007 |
11897 (27.34) |
15819 (36.35) |
9519 (21.87) |
5374 (12.35) |
632 (1.45) |
259 (0.60) |
17 (0.04) |
43517 |
|
2008 |
11448 (26.71) |
14931 (34.83) |
10348 (24.14) |
5352 (12.49) |
537 (1.25) |
224 (0.52) |
26 (0.06) |
42866 |
|
2009 |
15070 (36.10) |
14815 (35.49) |
8015 (19.20) |
3513 (8.42) |
234 (0.56) |
82 (0.20) |
16 (0.04) |
41745 |
|
2010 |
17699 (39.88) |
14502 (32.68) |
7959 (17.93) |
3820 (8.61) |
252 (0.57) |
130 (0.29) |
20 (0.05) |
44382 |
|
2011 |
20807 (41.80) |
15498 (31.14) |
8953 (17.99) |
4095 (8.23) |
340 (0.68) |
76 (0.15) |
3 (0.01) |
49772 |
| Total | 110153 (30.15) | 118869 (32.54) | 82011 (22.45) | 46835 (12.82) | 4985 (1.36) | 2220 (0.61) | 258 (0.07) | 365331 |
Values reported as n (%). PbB, blood lead concentration (μg/dL).