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Haematological changes among construction workers exposed to cement dust in West Bengal, India

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Mandal(Majee) A., Suva P.
Progress in Health Sciences
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2014
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vol. 4
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issue 1
88-94
XX
Purpose: This study measured haematological parameters in construction workers exposed to cement dust, silica and other hazardous materials. This was done in order to identify a simple, readily available, and cost effective screening test that could help to identify the presence of disease and its severity in workers potentially related to their work space. Materials and methods: The study was composed of 150 construction workers and 52 participants in an unexposed control group, with ages ranging from 15-60 years. Blood samples were collected from each participant and percentage of haemoglobin, total RBC count, WBC count, platelet count, and different RBC indices were analyzed. Results: The haemoglobin concentration, PCV, and MCV decreased significantly, but the MCHC and eosinophil counts increased significantly in comparison to the control group, though the increase in the monocyte count was not significant. No significant changes in haematological parameters with a year of exposure have been found. However, the percentage of prevalence of anaemia on the basis of haemoglobin concentration and PCV value were higher in construction workers in comparison to members of the control group. Conclusion: This study recommends that construction workers working in hazardous environments must support health education and should regularly use protective devices in their workplace. They must also have regular medical checkups, which might help detect disease in early stages.
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Occupational daily walking steps have inverse relationship with papillary thyroid cancer risk and progression: a retrospective analysis

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Zhang C., Zhang L., Su Y., Xiang L., Zhang Q., Zhang C., Huan Q.
International Journal of Occupational Medicine and Environmental Health
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2024
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vol. 37
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issue 1
58-71
EN
Objectives Investigate the impact of daily occupational walking steps on the progression of papillary thyroid cancer (PTC), a topic hitherto underresearched. Material and Methods The authors analyzed the data from 800 individuals with PTC across stages 0–IV. Participants were evenly divided into 2 distinct occupational groups: office workers and construction workers (N = 400 each). Data included comprehensive records of daily walking steps, demographic information, and clinical indicators. Pearson’s correlation coefficients or analysis of variance (ANOVA) were employed to assess the linkage between daily walking steps and PTC risk and stage, as well as associated biochemical markers. Results The analysis revealed a significant inverse relationship between daily walking steps and PTC risk. A higher frequency of daily steps was associated with reduced chances of PTC onset and a lower diagnostic stage of the disease. This protective effect of physical activity was particularly pronounced in the construction worker cohort. Subsequent evaluations showed that construction workers who consistently logged higher daily steps had markedly lower levels of thyroid-stimulating hormone (TSH), free triiodothyronine, free thyroxine, thyroid peroxidase antibody, thyroglobulin antibody, and thyroglobulin (Tg). Notably, daily walking steps exhibited a strong inverse correlation with body mass index (BMI), age, PTC volumes, and levels of TSH and Tg across both occupational groups (ρ < –0.37). The increase in daily steps was associated with the reduction in PTC stages (p < 0.001). Conclusions The research underscores the potential benefits of increased daily walking steps, suggesting that they may play a protective role in reducing PTC risk and moderating its progression.
3
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Ethnic background and risk perception in construction workers: development and validation of an exploratory tool

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Ricci F., Modenese A., Bravo G., De Pasquale F., Ferrari D., Bello M., Carozza L., Longhi F., Favero G., Soddu S., Gobba F.
International Journal of Occupational Medicine and Environmental Health
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2019
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vol. 33
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issue 2
163-172
EN
ObjectivesAmong occupational sectors, construction is still one of the branches with the highest reported numbers of work-related injuries and diseases, which can even lead to death and in many cases induce permanent health consequences. The vast majority of these occupational injuries and diseases are preventable; accordingly, an improvement in preventive strategies, also through a better knowledge of the main factors involved in these events, is one of the most important objectives for better occupational health and safety in the construction sector. Considering the individual factors associated with a higher risk of work-related adverse health effects in workers, an inadequate perception of occupational risks is among the most relevant issues. Risk perception can vary according to different cultural backgrounds, highly influenced by ethnicity, and it affects the relations between workers in the work environment, and the way by with they undergo the specific occupational tasks and manage risky situations frequently occurring on construction sites. Accordingly, the aim of the authors was to develop a new tool for the assessment of risk perception in construction workers with different ethnic backgrounds.Material and MethodsA team of health and safety experts involved in the training of construction workers from various ethnic backgrounds and in different regions of Italy developed and validated a questionnaire-based tool for the evaluation of their risk perception. Furthermore, through a factor analysis, a reference model defining various dimensions of occupational risk perception, relevant for the different ethnicities, was identified.ResultsThe final tool included 12 items aimed to assess the associations between the ethnic background and occupational risk perception of construction workers. The authors identified 4 relevant dimensions: behavioral control, work conditions, safety climate and personal attitude.ConclusionsThe proposed tool should be considered to explore the appropriate ways for the development of effective preventive strategies for construction workers with different ethnic backgrounds in Italy.
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