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Self-reported Occupational Exposures Relevant for Cancer among 28,000 Offshore
Oil Industry Workers Employed between 1965 and 1999
#MMPMID25671393
Stenehjem JS
; Friesen MC
; Eggen T
; Kjærheim K
; Bråtveit M
; Grimsrud TK
J Occup Environ Hyg
2015[]; 12
(7
): 458-68
PMID25671393
show ga
The objective of this study was to examine self-reported frequency of
occupational exposure reported by 28,000 Norwegian offshore oil workers in a 1998
survey. Predictors of self-reported exposure frequency were identified to aid
future refinements of an expert-based job-exposure-time matrix (JEM). We focus
here on reported frequencies for skin contact with oil and diesel; exposure to
oil vapor from shaker, to exhaust fumes, vapor from mixing chemicals used for
drilling, natural gas, chemicals used for water injection and processing, and to
solvent vapor. Exposure frequency was reported by participants as the exposed
proportion of the work shift, defined by six categories, in their current or last
position offshore (between 1965 and 1999). Binary Poisson regression models with
robust variance were used to examine the probabilities of reporting frequent
exposure (?¼ vs. <¼ of work shift) according to main activity, time
period, supervisory position, type of company, type of installation, work
schedule, and education. Holding a non-supervisory position, working shifts,
being employed in the early period of the offshore industry, and having only
compulsory education increased the probability of reporting frequent exposure.
The identified predictors and group-level patterns may aid future refinement of
the JEM previously developed for the present cohort.
|*Carcinogens
[MESH]
|*Extraction and Processing Industry
[MESH]
|*Petroleum
[MESH]
|Adolescent
[MESH]
|Adult
[MESH]
|Aged
[MESH]
|Aged, 80 and over
[MESH]
|Air Pollutants, Occupational
[MESH]
|Female
[MESH]
|Humans
[MESH]
|Male
[MESH]
|Middle Aged
[MESH]
|Models, Theoretical
[MESH]
|Norway/epidemiology
[MESH]
|Occupational Exposure/*statistics & numerical data
[MESH]
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