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Applications of occupational epidemiology.

Authors
Bang-KM
Source
Occup Med: State of the Art Rev 1996 Jul; 11(3):381-391
Link
NIOSHTIC No.
00235985
Abstract
The general applications of epidemiology to the field of occupational health were reviewed. The three major types of epidemiological studies, descriptive, analytical, and experimental, were discussed. Occupational epidemiological studies included observational studies, such as the cohort, case/control, and cross sectional strategies, and experimental studies. Both prospective and retrospective cohort morbidity and mortality study designs were considered useful and effective in occupational epidemiology. However, the expense, time consumption, and large study size were viewed as limitations of the cohort study. Case/control studies were regarded as especially useful when either the disease of interest was rare or several occupations or exposures were related to the disease of interest. Limitations of this study design were listed as weak exposure estimation techniques, indirect calculation of incidence rates, and selection and recall biases. Cross sectional studies were considered appropriate for investigating subtle health effects which may not be officially recorded, generating hypotheses, and planning health services. Ecologic study designs were described as crude methods for determining the relationships between either occupation or environment and disease. Meta analysis was the systematic pooling of data from multiple studies in order to generate comprehensive conclusions. The importance of routine occupational surveillance for the establishment of program objectives, public policies, research priorities, and prevention strategies was also discussed. Molecular epidemiology was considered increasingly important with the continued application of biomarkers. The author concludes that while scientific advances may alter the epidemiological approaches, the primary aims of occupational epidemiology will continue to be the identification, validation, and prevention of occupational diseases.
Keywords
NIOSH-Author; Humans; Occupational-exposure; Occupational-diseases; Risk-analysis; Health-surveys; Biological-monitoring; Surveillance-programs; Mortality-data; Morbidity-rates
CODEN
SAOME4
Publication Date
19960701
Document Type
Journal Article
Editors
Bang-KM
Fiscal Year
1996
NTIS Accession No.
NTIS Price
ISBN No.
9781560532262
Issue of Publication
3
ISSN
0885-114X
NIOSH Division
DRDS
Source Name
Occupational Medicine: State of the Art Reviews. Occupational Epidemiology
State
WV
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