229 e-Letters

  • Response to e-letter
    Tilja I. van den Berg

    We welcome the comments on our systematic review on factors associated with the Work Ability Index (WAI) with regard to the practical implications of the WAI instrument. After reading the review, the author of the e-letter concludes that ‘the WAI should be used with caution outside samples of people with musculoskeletal disorders and that more robust psychometric data be produced in other groups’. The intended message o...

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  • What is the extent of ability in workabilty?
    Nicholas Glozier

    The systematic review of factors associated with the Work Ability Index raises significant questions about this measure. The paper repeats the assertion that "the bases for work ability are health and functional capacity, but work ability is also determined by professional knowledge and competence (skills), values, attitudes, and motivation, and work itself." Certainly clinicians are constantly asked to assess the health...

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  • Proper Interpretation of DDREF in IREP
    John R. Trabalka

    The comment by the authors about the computer code IREP used by NIOSH, namely: “IREP includes a DDREF, which lowers the probability of causation [PC] for low-dose-rate exposures,” has the potential to be misinterpreted. IREP contains two discrete DDREF distributions, one for most solid cancers and another, more restricted, distribution for thyroid and female breast cancers. The first mentioned, with values of DDREF rang...

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  • Response to Swaen et al.
    Craig Steinmaus

    Response to Swaen et al.

    Authors Craig Steinmaus1, 2 Allan H Smith1 Martyn T Smith1

    Authors affiliations 1. School of Public Health, University of California, Berkeley, University Hall, Berkeley, CA 94720-7360, USA 2. Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, 1515 Clay St., Oakland, CA 94612

    Corresponding author Craig Steinmaus, School of Publ...

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  • Meta-analysis on benzene exposure and non Hodgkin lymphoma
    Gerard M H Swaen

    Meta-analysis on benzene exposure and non Hodgkin lymphoma

    June 30 2009

    Gerard M H Swaen1 Shan P. Tsai2 Carol Burns1

    1 Department of Epidemiology, The Dow Chemical Company, Midland, Michigan USA. 2 Shell Health, Shell Oil Company, Houston Texas, USA.

    Corresponding Author: Gerard M H Swaen, The Dow Chemical Company, P.O. Box 444, 4530 AK Terneuzen, The Netherlands 31-(0)43-3626042. E-...

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  • Regarding Mortality among British asbestos workers undergoing regular medical examinations
    Bengt Sjögren
    Letter to the editor

    Mortality among British asbestos workers undergoing regular medical examinations (1971-2005). Occup Environ Med 2009; 66: 487-95.

    Bengt Sjögren, MD, PhD Work Environment Toxicology Institute of Environmental Medicine Karolinska Institutet P.O. Box 210 SE-171 77 Stockholm Sweden Tel +46 8 524 822 29 Fax +46 8 31 41 24 E-mail Bengt.Sjogren@ki.se

    Anne-Helen Harding and coworker...

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  • Sinonasal Cancer and the Glassware Industry
    Pere Sanz-Gallén
    Sinonasal Cancer and the Glassware Industry.

    Pere Sanz-Gallén, Santiago Nogué, Eva Muñoz and Francisco Sabater*

    Clinical Toxicology Unit and *Otorhinolaryngology Service. Hospital Clínic. Barcelona


    The case-control study by D' Errico et al (1) on occupational risk factors for sinonasal cancer concludes that exposure to arsenic is one such factor and suggests more cases should be reported, as there...

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  • Biological monitoring of wood dust exposure
    Heikki Savolainen

    Dear Editor,

    This informative article on the occupational wood dust exposure in Italy requests a monitoring method for received personal doses. Such a method exists exploiting samples obtained by nasal lavage (1). It is based on the the chemical analysis for wood polyphenols. Although they are species specific they are good quantitative indicators of hardwood dust particles coarse enough to be retained in the na...

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  • Respiratory disease by diisocyanate exposure
    Heikki Savolainen

    Dear Editor,

    As described in this investigation only a minority workers with an occupational asthma due to a diisocyanate exposure have specific IgE antibodies towards the monomers (1).

    Therefore, it is likely the host factors play an important role (2). However, their significance may not be so firm so as to be used as predictors of a disease. The concept is, however, important in the workers´ compen...

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  • Comments on Koppelaar et al
    Jos Verbeek

    Comments on Koppelaar et al, 'Determinants of implementation of primary preventive interventions on patient handling in healthcare: a systematic review'. OEM 2009;66:353-360

    Koppelaar et al put forward an interesting view on implementation in their article. They state that the results of interventions will depend not only on the effectiveness of the intervention itself but also on appropriate implementation in...

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