A study of forced vital capacity and its predictors among the sand stone quarry workers.
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1999-07-25
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Abstract
The study assesses the relationship of selected demographic, anthropometric, radiological, work-history and smoking-history related variables with Forced Vital Capacity (FVC) in a sample of 168 sand stone quarry workers in a desert environment. Except the variables related to smoking behaviour, all are found significantly associated with FVC. The predictors of FVC screened through the multiple regression analysis were age, weight, height, profusion of opacities in chest X-ray and duration of work. Mean FVC was found significantly lower as compared to the healthy adult population. On an average FVC% was 90% of predicted (Percentage deviation of 10%). A clear increasing trend in FVC% along age/duration of work was observed among the young workers, which may be due to building of muscles in this job. Percentage deviation of 20% or more in FVC was significantly associated with presence of radiological opacities suggestive of silicosis (odds Ratio = 3.3). The diagnostic utility of the same is also assessed.
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Mathur ML, Dixit AK. A study of forced vital capacity and its predictors among the sand stone quarry workers. Indian Journal of Physiology and Pharmacology. 1999 Jul; 43(3): 347-54