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

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AX6-244<br />

Table AX6-9.6 (cont’d). Effects <strong>of</strong> <strong>Lead</strong> on the Endocrine System in Adults<br />

Reference, Study<br />

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

Canada<br />

Alexander et al. (1998,<br />

1996a)<br />

British Columbia<br />

1993<br />

Schumacher et al.<br />

(1998)<br />

British Columbia<br />

1993<br />

Europe<br />

Gennart et al. (1992)<br />

Belgium<br />

NR<br />

Design: cross-sectional<br />

Subjects: adult male primary smelter workers<br />

(n = 152), mean age 40 yr<br />

Outcome measures: serum FSH, LH, TES<br />

Analysis: multivariate linear regression<br />

Design: cross-sectional<br />

Subjects: adult male smelter workers<br />

(n = 151) mean age 40 yr (SD 7.2)<br />

Outcome measures: serum FT4, TT4, TSH<br />

Analysis: linear regression, ANOVA<br />

Design: cross sectional cohort<br />

Subjects: adult battery manufacture workers<br />

(n = 98), mean age 37.7 yr (SD 8.3, range 22–<br />

55); reference worker group (n = 85), mean<br />

age 38.8 yr (SD 8.7, range 22–55)<br />

Outcome measures: serum TT3, FT4, TT4,<br />

TSH, FSH, LH<br />

Analysis: comparison <strong>of</strong> outcome measures<br />

between Pb workers and reference group<br />

Blood Pb (µg/dL) range<br />

(n = 81): 22.8 (5–58)<br />

Semen Pb (µg/dL) range:<br />

1.9 (0.1–17.6)<br />

Blood Pb (µg/dL) mean:<br />

24.1 (n = 151)<br />

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