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Air Quality Criteria for Lead Volume II of II - (NEPIS)(EPA) - US ...

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AX6-208<br />

Table AX6-8.1 (cont’d). Effects <strong>of</strong> <strong>Lead</strong> on Immune Function in Children<br />

Reference, Study<br />

Location, and Period Study Description Pb Measurement Findings, Interpretation<br />

United States (cont’d)<br />

Lutz et al. (1999)<br />

Springfield-Green Co,<br />

MO<br />

NR<br />

Europe<br />

Annesi-Maesano et al.<br />

(2003)<br />

France<br />

1985, 1992<br />

Karmaus et al. (2005)<br />

Germany<br />

1994–1997<br />

Design: cross-sectional<br />

Subjects: children (n = 279; age range 9<br />

mo–6 yr)<br />

Outcome measures: differential blood cell<br />

counts; lymphocyte phenotype abundance<br />

(%); and serum IL-4, soluble CD25, CD27,<br />

IgE and IgG (Rubella).<br />

Analysis: nonparametric comparison <strong>of</strong><br />

outcome measures (adjusted <strong>for</strong> age) <strong>for</strong><br />

blood Pb categories, correlation<br />

Design: cross-sectional<br />

Subjects: mother/newborn pairs (n = 374),<br />

mean age 30 yr<br />

Outcome measures: maternal venous and<br />

newborn cord serum IgE levels<br />

Analysis: multivariate linear regression,<br />

ANOVA<br />

Design: cross-sectional<br />

Subjects: children (n = 331, 57% male), age<br />

7–8 yrs (96%), 9–10 yrs (4%)<br />

Outcome measures: differential blood cell<br />

count; lymphocyte phenotype abundance;<br />

and serum IgA, IgE, IgG, IgM<br />

Analysis: multivariate linear regression<br />

Blood Pb (µg/dL) range:<br />

1–45<br />

Blood Pb categories:<br />

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