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Relationship between asbestos exposure and lung cancer cell type

Thesis/Dissertation ·
OSTI ID:6001450

A nested case-control study was undertaken to investigate the relationship between asbestos exposure and lung cancer cell type. Cases were former employees of two Virginia shipyards, and were identified from the Virginia Tumor Registry. All cases were diagnosed with lung cancer between 1975-82. A stratified random sample of controls was selected from among former shipyard workers from the same two yards as the cases. Job histories were abstracted from shipyard personnel records on all cases and controls and were the primary source of data used to derive measures of asbestos exposure. Analyses were conducted using the conditional maximum likelihood estimate of the odds ratio an logistic regression. The results from the analysis showed that adenocarcinoma had the strongest association with asbestos exposure and the only case group to be associated with a multiplicative interaction effect between asbestos exposure and smoking. The most significant associations were found for adenocarcinoma cases employed before 1950. Strikingly negative dose-response relationships were found for the other three case groups. The results suggest indirectly that squamous and small cell cancer may have shorter latency from exposure to diagnosis and that proportionately more of these cases were not captured in this study. Problems which are related to a calendar time criteria for case ascertainment, i.e., diagnosis between 1975-82, limit the conclusiveness of these findings.

OSTI ID:
6001450
Country of Publication:
United States
Language:
English

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Related Subjects

560306* -- Chemicals Metabolism & Toxicology-- Man-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AEROSOLS
ASBESTOS
BODY
CARCINOMAS
COLLOIDS
DISEASES
DISPERSIONS
DOSE-RESPONSE RELATIONSHIPS
EPIDEMIOLOGY
FEDERAL REGION III
HAZARDS
HEALTH HAZARDS
LUNGS
NEOPLASMS
NORTH AMERICA
OCCUPATIONAL EXPOSURE
ORGANS
PERSONNEL
RESIDUES
RESPIRATORY SYSTEM
SMOKES
SOLS
TOBACCO SMOKES
USA
VIRGINIA