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Table 10: Final Human Health State of the Science Report on Lead

Table 10. Blood lead levels (BLLs, µg/dL) from Canada and the United States and in Canadian adults and children
Location Sampling year Age n BLL (95% CI) (µg/dL) Reference
Geometric mean 95th percentile

CI: confidence interval.

Table 10 footnotes

Table 10 footnote a

Arithmetic mean.

Return to table 10 footnote a referrer

Table 10 footnote b

Capillary sampling (versus venous sampling), LOD of 1.0 µg/dL

Return to table 10 footnote b referrer

Table 10 footnote c

50th percentile.

Return to table 10 footnote c referrer
National level data
Canada 1978-79 6-79 years 4142 4.79   Canada Health Survey:
Bushnik et al. 2010
Canada 2007-09 6 -79 years 5319 1.34
(1.24-1.44)		 3.79
(3.32-4.26)		 CHMS:
Health Canada 2010e
6-11 years 910 0.90
(0.81-0.99)		 1.95
(1.65-2.26)
12-19 years 945 0.80
(0.74-0.85)		 1.64
(1.47-1.82)
20-39 years 1165 1.12
(1.04-1.21)		 3.12
(2.75-3.49)
40-59 years 1220 1.60
(1.46-1.75)		 3.87
(3.16-4.57)
60-79 years 1079 2.08
(1.90-2.29)		 5.19
(4.20-6.18)
United States 2007-08 1+ year 8266 1.27
(1.21-1.34)		 3.70
(3.50-3.90)		 NHANES:
U.S. CDC 2011
1-5 years 817 1.51
(1.37-1.66)		 4.10
(3.40-5.19)
6-11 years 1011 0.988
(0.914-1.07)		 2.50
(2.10-2.88)
12-19 years 1074 0.800
(0.744-0.859)		 1.9
(1.70-2.32)
20 years and older 5364 1.38
(1.31-1.46)		 3.90
(3.68-4.23)
Cord blood
Mushkegowuk Territory, Ontario Not reported Newborn 79 2.08 ± 1.67Table 10 footnote a 0.30-11.08
(range)		 Hanning et al. 2003
Nunavik, Quebec 1993-1998 Newborn 193 3.7Table 10 footnote c 0.8-20.9
(range)		 Cord Blood Monitoring Program:
Boucher et al. 2012
Children's data
Mushkegowuk Territory, Ontario Not reported 4 months 31 1.67 ± 1.04Table 10 footnote a 0.50-5.50
(range)		 Hanning et al. 2003
Nunavik, Quebec 2000-02 4-6 years 109 4.1 ± 5.0 1.0-37.1
(range)		 Després et al. 2005
Nunavik, Quebec 2005-2007 9-13 years 193 2.0Table 10 footnote c 0.4-12.8
(range)		 Boucher et al. 2012
Nunavik, Quebec 2006-08 10 months-4.5 years 129 1.7
(1.4-1.9)		 Not reported Turgeon-O'Brien et al. 2010
Belledune, New Brunswick 2004 3-6 years 10 3.54 12.5 (maximum) Government of New Brunswick 2005
7-15 years 13 2.70 19.2 (maximum)
(North) Hamilton, Ontario 2008 0-6 years 643 2.21Table 10 footnote b
(2.11-2.32)		 <1.0-19.4 (range) Richardson et al. 2011
0-18 months 120 2.15Table 10 footnote b
(1.95-2.40)
18 months-<3 years 154 2.34Table 10 footnote b
(2.15-2.57)
3 - 6 years 369 2.18Table 10 footnote b
(2.07-2.30)
Trail, British Columbia 2007 6 months-5 years 132 5.1 14.1 (maximum) Trail Health and Environment Committee 2007, 2009
2009 6 months-3 years 100 5.6 22.7 (maximum)
Flin Flon, Manitoba 2009 0-6 years 202 2.75
(2.51-2.95)		 Not reported Intrinsik 2010
Montréal, Quebec
(4 selected boroughs)		 2009-10 1-5 years 306 1.35
(1.27-1.43)		 3.11
range:
0.37-19.06		 INSPQ 2011
1-<2 years 50 1.32 3.94
range:
0.50 - 4.77
2-< 3 years 66 1.41 3.52
range:
0.39 - 7.46
3-5 years 190 1.34 2.90
range:
0.37 - 19.06
St. John's, Newfoundland and Labrador 2010 6 months -6 years 257 1.12
(1.04-1.2)		 2.71
(2.70-3.38)
range:
0.21 - 7.5		  Bell et al. 2011
6 months - < 3 years 105 1.29
(1.14-1.46)		 range:
0.21 - 7.5
3 - 6 years 144 1.00
(0.91 - 1.01)		 2.5
(2.25 - 3.0)
range:
0.21 - 4.58
Adult data
Mushkegowuk Territory, Ontario Not reported Pregnant Women 83 2.29 ± 1.25Table 10 footnote a 0.66-6.04
(range)		 Hanning et al. 2003
Québec City 2001 18-65 years 441 2.1
(2.0-2.2)		 11.1 (maximum) INSPQ 2004
Province of Quebec 2003 Adult men 125 3.1Table 10 footnote c 20.9 (maximum) Abdelouahab et al. 2008
Adult women 87 1.74Table 10 footnote c 12.5 (maximum)
Nunavik, Quebec 2004 18-74
years		 917 3.9
(3.7-4.1)		 49.7 (maximum) Dewailly et al. 2007;
Fontaine et al. 2008
British Columbia 2004-05 Men
30-65
years		 33 2.5 4.6 Clark et al. 2007
Women
30-65
years		 28 1.7 3.7
Inuvik, Northwest Territories 2005-06 Dene/
Métis
Pregnant women
16-36 years		 17 1.3 0.48-3.5
(range)		 Donaldson et al. 2010
Inuvialuit
Pregnant women
17-38 years		 52 1.3   0.44-5.6
(range)
Non-aboriginal
Pregnant Women
 23-40 years		 6 0.69 0.46-1.0
(range)
Baffin, Nunavut 2005-07 Pregnant women
15-39
years		 99 1.4 0.41-7.1
(range)		 Donaldson et al. 2010
Nunavik, Quebec 2007 Pregnant women 18-37
years		 42 1.6 0.66-7.7
(range)		 Donaldson et al. 2010

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