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Video display terminals and adverse pregnancy outcomes.

Authors
Schnorr-T
Source
Case studies in occupational epidemiology. Steenland K, ed. New York: Oxford University Press, 1993 Jan; :7-20
Link
NIOSHTIC No.
00238239
Abstract
A cohort study performed on a population of telephone operators in an effort to examine the impact of video display terminal (VDT) use on pregnancy outcomes was described. This study was presented as part of a larger text book to take the reader through the same steps that the investigator took when conducting the actual study to allow the student to solve the same problems that the investigator solved in the course of the study. Directory assistance operators used a VDT for the entire work day. General operators performed similar duties, but used either a light emitting diode or neon glow tube screen. There were a total of 5,544 operators employed for the dates chosen for study. Examining the study population indicated 366 pregnancies among directory assistance operators and 516 pregnancies to general operators during the follow up period of 1/1/83 to 1/1/86. The researchers focused on the exposure to electromagnetic radiation given off by the VDT as the most plausible exposure that may be associated with spontaneous abortions. Initial findings for spontaneous abortion rates did not indicate any pronounced difference between exposed and nonexposed women, either for the entire pregnancy or by month of gestation.
Keywords
Video-display-terminals; Computer-equipment; Reproductive-system-disorders; Risk-factors; Reproductive-hazards; Nonionizing-radiation; Radiation-exposure; Epidemiology; Humans; Communication-workers
Publication Date
19930101
Document Type
Book or book chapter
Editors
Steenland-K
Fiscal Year
1993
NTIS Accession No.
NTIS Price
ISBN No.
9780195068313
NIOSH Division
DSHEFS
Priority Area
Reproductive-system-disorders
Source Name
Case studies in occupational epidemiology
State
NY; OH
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