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Work activity and coronary heart mortality.

Authors
Paffenbarger-RS Jr.; Hale-WE
Source
N Engl J Med 1975 Mar; 292(11):545-549
NIOSHTIC No.
00036779
Abstract
A 22 year follow up study is made of longshoremen to appraise the role of physical activity in reducing coronary mortality, according to categories of high, medium, and low caloric output. The age adjusted coronary death rate for the high-activity category is found to be 26.9 per 10,000 work-years, and that for the medium and low categories to be 46.3 and 49.0 respectively. This protective "threshold" effect is seen especially for the sudden death syndrome, in which the death rate for heavy workers is 5.6 as contrasted with 19.9 for moderate and 15.7 for light workers. The conclusion drawn is that repeated bursts of high energy output establish a plateau of protection against coronary mortality, and that several different mechanisms may explain this finding.
Keywords
Cardiovascular-system-disorders; Mortality-rates; Protective-mechanisms; Etiology; Preventive-medicine; Cargo-handlers; Materials-handling
CODEN
NEJMAG
Publication Date
19750313
Document Type
Journal Article
Funding Type
Contract
Fiscal Year
1975
NTIS Accession No.
NTIS Price
Identifying No.
Contract-099-72-0058
Issue of Publication
11
ISSN
0028-4793
Source Name
New England Journal of Medicine
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