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

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AX6-162<br />

Table AX6-5.3. Effects <strong>of</strong> <strong>Lead</strong> on Cardiovascular Mortality<br />

Reference, Study<br />

Location, and<br />

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

United States<br />

Lustberg and<br />

Silbergeld (2002)<br />

U.S.-NHANES <strong>II</strong><br />

1976-1980,<br />

follow up to 1992<br />

Schober et al.<br />

(2006)<br />

U.S.-NHANES<br />

<strong>II</strong>I<br />

1988-1994,<br />

follow up to 2000<br />

4190 persons, 30 to 74 yrs, 929 <strong>of</strong> whom<br />

died during follow up, had baseline blood Pb<br />

measurements during the NHANES <strong>II</strong><br />

period. Proportional hazard models <strong>for</strong><br />

circulatory disease-related death (ICD-9<br />

codes 390-459) were based on the complex<br />

survey design, but not weighted. Presented<br />

models were unadjusted, adjusted <strong>for</strong> age<br />

and sex, and adjusted <strong>for</strong> age, sex, location,<br />

education, race, income, smoking, BMI, and<br />

exercise. Blood Pb was entered as an<br />

ordinal three-category variable.<br />

9757 persons, age 40 yrs, 2515 <strong>of</strong> whom<br />

died during follow-up (median length <strong>of</strong><br />

follow-up 8.55 yrs), had baseline blood Pb<br />

measurements during the NHANES <strong>II</strong>I<br />

period. Analyses were per<strong>for</strong>med using<br />

proportional hazard models <strong>for</strong> all cause<br />

deaths, major cardiovascular disease-related<br />

deaths (I00-I78), and malignant neoplasms<br />

(C00-C97). Multivariate models were<br />

adjusted <strong>for</strong> sex, race/ethnicity, education,<br />

and smoking status and stratified by age.<br />

Blood Pb was entered as an ordinal threecategory<br />

variable.<br />

Blood Pb

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