Archives of Public Health

Table 3 Comparison of blood lead levels in children from urban area of Kinshasa – 2004, 2008 and 2011

From: Blood lead levels in children after phase-out of leaded gasoline in Kinshasa, the capital of Democratic Republic of Congo (DRC)

	2004			2008			2011
	N	GM	%	N	GM	%	N	GM	%
	N	(95% CI)	≥ 10 μg/dL	N	(95% CI)	≥ 10 μg/dL	N	(95% CI)	≥ 10 μg/dL
Urban area	100	12.4	63^b	55	11.2	71 ^b	100	8.7	41^b
		(11.4-13.3) ^a			(10.3-14.4) ^a			(8.0-9.5) ^a

^a Anova three -sample Fischer test: p < 0.001.
^bChi-square test: p = 0.001.
GM, Geometric mean.

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