At SPRI, collaboration is an organizational value.
For every project we work hard to bring together chemists, engineers, epidemiologists, medical sociologists,
economists, biostatisticians, clinicians, survey methodologists,
and policy experts in order facilitate quality research.
The Impact of OSHA Recordkeeping Regulation Changes on Occupational Injury And Illness Trends(Manuscript)
The Survey of Occupational Injuries and Illnesses (SOII), based on OSHA logs, indicates that occupational injuries and illnesses in the U.S. have steadily declined by 35.8% between 1992-2003. However, major changes to the OSHA recordkeeping standard occurred in 1995 and 2001. A recent study we published illustrates that the steep decline in reported occupational injuries and illnesses during the past 10 years in the U.S. workforce is an artifact resulting from changes to the recordkeeping rules and regulations rather than an improvement in workplace safety. (Brief Summary)
Raised Speed Limits Result in Higher Road Fatalities (Manuscript)
A 10 km/hr increase in the legal speed limit was followed by an 12.7% increase in road fatalities on interurban roads. The impact of raised speed limits was immediate and sustained. The largest increase in deaths
occurred on interurban roads but a spillover effect was observed on urban roads as well. The increases in deaths and case-fatality rates persisted six years after the speed limit change despite major countermeasures
and increasing congestion throughout the period of follow-up.
Gulf War Syndrome and Neuromuscular Disorders (Manuscript)
In a recent study published in Archives of Environmental Health ,
we discuss two patients with myopathy, neuropathy, complaints of
cognitive impairments and chronic fatigue. Both patients have
confirmed long-term exposures to Pyridostigmine and an acute
exposure to a highly toxic acetylcholine esterase inhibitor.
Most Gulf War Veterans took Pyridostigmine
as a prophylactic before and during the war. In addition, there
may have been exposures to Sarin and other highly toxic AChE
compounds.
Initial exposures in the index patient began during the mid-1970s.
The acute exposure to Sarin occurred approximately 10 years prior
to the onset of the Gulf War in 1991. Both patients report that
symptoms began following the acute exposure to Sarin.
The course of illness in both patients is identical to a subgroup of
GWV complaining of neuromuscular and cognitive impairments as described
in the literature.
Latency between time of initial exposures and diagnosis of
neuromyopathies was between 15-20 years in our two patients.
Twelve years have passed since the end of the 1991 Gulf War.
Our paper proposes the hypothesis that a subgroup of GWV may be in
the middle of an extended prodromal period between initial exposures
and diagnosis of myopathy/neuropathy. This could explain the poorly
defined clinical picture as reported in the literature. We propose
that veterans complaining of neuromuscular and cognitive impairments be
regularly tested for elevated CPK and anomalies in neuromuscular
conduction.
Conflicts of Interest in Biomedical Research (Manuscript)
We investigate the issue of conflicts of interest (COI) among researchers
whose studies have been published in JAMA and NEJM. We found that 32.6%
of manuscripts published in these two flagship journals had one or more
author with COI. Authors with conflicts of interest were more likely
to present positive findings. This relationship was noted for studies
investigating drug therapies as well as other non-pharmeceutical
interventions.
Commercialization of Peer-Review Journals (Manuscript)
Research from the business sector have shown that journals
increase readership in order to entice new media buyers. As
advertising revenue begins to represent a
larger share of the overall corporate revenue, journals become more
dependent on reader opinion and media buyer money. We found evidence
this business model applies to two flagship peer-review journals: JAMA
and NEJM.
Both journals are dominated by advertising and focus on topics preferred
by their readers. The findings indicate that financial considerations
may play a significant role in
the determination of content of these journals. A manuscript acceptance
process based on
revenue goals may lead to a distortion of the prioritization of content
and loss of editorial control
of the journal. Because NEJM and JAMA are frequently cited by the
lay press, the national
health agenda may be biased towards the issues these journals
choose to publish.