eLetters

81 e-Letters

published between 2006 and 2009

  • 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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  • Response to Chris J Kalman
    Adeleh Shirangi

    June 8th 2009

    We are writing to respond to Dr.Kalman in regard to our article entitled “Maternal Occupational Exposure and Risk of Spontaneous Abortion in Veterinary Practice”.

    Regarding the risk relating to radiation, we presented data separately for those with 1-4 x-rays a week in Table 2. Readers are able to use these analyses rather than those in Table 3 if they prefer. The results for exposure...

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  • Response to authors
    Chris J Kalman

    Dear Sir

    I am grateful for the speedy response from Dr Shirangi and her colleagues to my original letter. I regret the delay in my further response.

    Importantly, the authors justify the combination of the ‘no exposure’ and ‘one to 5 films per week’ categories (ie the elimination of an exposure category) on the identification that the crude relative risk data did not indicate any adverse outcome for t...

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  • Reply to Kolstad & Bondes regarding “objective” exposure measurements of psychosocial working condit
    K Waldenström

    Reply to Kolstad and Bondes regarding “objective” exposure measurements of psychosocial working conditions

    We agree with Kolstad and Bonde that it is important to identify measures of “psychosocial” working conditions that are less dependent of the individual appraisal than pure self-report. This was the intention of our two studies published in OEM (1-2). The studies were based on an exposure protocol to asses...

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  • Psychosocial work characteristics and depression: The importance of objective exposure measures
    Henrik A Kolstad

    Numerous studies have documented that perception of adverse psychosocial factors at work is related to major depression, but we still do not know if this reflects causal characteristics of the working environment, personal characteristics of the individual worker, trivial associations, common method variance or other types of reporting bias because most studies have relied on self-reported exposure information (1)....

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  • Identifying tumour sites in the IARC Monographs
    VJ Cogliano
    The letter from Drs Huff and Infante1 provides an opportunity to correct some misperceptions that have developed about the IARC Monographs. First, Huff and Infante call on IARC to make “appropriate adjustments” and “properly amend” the summaries for formaldehyde and other Monographs. It is important to understand that IARC does not change summaries, which are developed by independent Working Groups of scientists who conducted th...
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  • Response to Chris J Kalman
    Adeleh Shirangi

    We are writing to respond to Dr.Kalman in regard to our recent article entitled Maternal Occupational Exposure and Risk of Spontaneous Abortion in Veterinary Practice.

    Dr. Kalman believes that he has picked up an anomaly in the presentation of data on radiation. We would like to reassure readers of the journal that there is no anomaly in the presentation of data and all presented results including radiation...

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  • Using proportion mortality ratio to evaluate the risk of cancer
    Hui Zhang

    On the basis of a retrospective mortality study Mastrangelo and his co-workers (Occup Environ Med 2008; 65: 697-700) concluded that “a high and prolonged exposure to cotton dust and other endotoxin-containing organic dusts was related to a lower risk of lung cancer”. The paper looked at the cancer risk, especially on lung cancer, among cotton mill workers by using the Standard Mortality Ratio (SMR). We believe that meth...

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  • Maternal Occupational Exposure and Risk of Spontaneous Abortion in Veterinary Practice
    Chris J Kalman

    Shirangi and her colleagues set out to examine the relationship between occupational exposures and spontaneous abortion in female veterinarians. One exposure examined, is in relation to the use of x- rays, where the authors report in the abstract that veterinarians who reported performing more than 5 radiographic examinations per week had a statistically significant elevated risk of spontaneous abortion compared with th...

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