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J Occup Med. 1990 Nov;32(11):1091-8.

New developments in the Life Table Analysis System of the National Institute for Occupational Safety and Health.

Author information

1
Industry-Wide Studies Branch, National Institute for Occupational Safety and Health, Cincinnati, OH 45226-1998.

Abstract

In the 1970s, the National Institute for Occupational Safety and Health developed a Life Table Analysis System to analyze occupational cohort studies. We have updated the original system by adding two new features: direct standardization with a test for linear trend, and analyses by lagged exposure (either duration of exposure or cumulative exposure). We have also updated US reference rates through 1989. The updated systems and documentation (version F) are available upon request. In collaboration with the National Cancer Institute, we have also developed multiple cause-of-death rate files, which consider contributory as well as underlying cause. These files (also available upon request) will enable investigators to derive the expected prevalence of diseases at death, which can then be compared with the observed prevalence in an exposed cohort. Work is currently underway to produce a personal computer version of the Life Table Analysis System.

PMID:
2258764
[Indexed for MEDLINE]

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