A 50-Year Mortality Follow-up of a Large Cohort of Oil Refinery Workers in Texas

To investigate further the possible role of occupational exposures on mortality, an update of a large Texas petroleum refinery cohort was undertaken. Between 1937 and 1987, 6799 deaths were identified among 17,844 employees. Relative to the general population of Texas, the overall standardized morta...

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Bibliographic Details
Published in:Journal of occupational and environmental medicine 1996-05, Vol.38 (5), p.492-506
Main Authors: Satin, Kenneth P., Wong, Otto, Yuan, Leslie A., Bailey, William J., Newton, Kimberly L., Wen, Chi-Pang, Swencicki, Robert E.
Format: Article
Language:English
Subjects:
Analysis. Health state
Biological and medical sciences
Cause of Death
Cohort Studies
Epidemiology
Female
Follow-Up Studies
General aspects
Health risk assessment
Humans
Male
Medical sciences
Mortality
Mortality - trends
Occupational Exposure
Occupational hazards
ORIGINAL ARTICLES
Petroleum
Public health. Hygiene
Public health. Hygiene-occupational medicine
Refineries
Texas - epidemiology
Time Factors
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Summary:To investigate further the possible role of occupational exposures on mortality, an update of a large Texas petroleum refinery cohort was undertaken. Between 1937 and 1987, 6799 deaths were identified among 17,844 employees. Relative to the general population of Texas, the overall standardized mortality ratio (SMR) showed a statistically significant défiât, as did nine other cause-ofdeath categories. Statistically significant mortality excesses were found for bone cancer (SMR = 207.8; 95% confidence interval [CI], 110.6 to 355.3), acute lymphocytic leukemia (ALL) (SMR = 259.6; 95% CI, 112.1 to 511.5), and benign/unspecified neoplasms (SMR = 194.9; 95% CI, 129.5 to 281.7). However, none of these diseases demonstrated an exposureresponse relationship with length of employment. Subcohort mortality analyses by sex and race groups, length of employment, interval since hire, period of hire, and pay status were also performed. Overall, the update findings do not indicate that any excess mortality occurred as a result of employment at the refinery.
ISSN:1076-2752
1536-5948
DOI:10.1097/00043764-199605000-00010