Document Detail

Respiratory disease in a textile factory in Nicaragua.
MedLine Citation:
PMID:  1951367     Owner:  NLM     Status:  MEDLINE    
This is the first epidemiologic study conducted in a textile mill in Nicaragua using techniques and diagnostic criteria similar to those used in the United States and England. The prevalence of byssinosis and nonspecific respiratory symptoms were studied in 194 workers in a cotton mill in Managua. Limited environmental sampling, performed using a vertical elutriator in yarn preparation and weaving areas, indicated that exposures were similar to those reported in other parts of the developing world. A modified translated version of the Medical Research Council respiratory questionnaire was administered. Pulmonary function tests were performed before and after the Monday workshift to measure across-shift change in ventilatory function. The prevalence of byssinosis was 5.9% and all the cases occurred among exposed women. Nonspecific respiratory symptoms were also more prevalent among exposed workers. After adjusting for age, gender, smoking habit, and work tenure, the exposure odds ratios for usual cough and usual phlegm were 3.3 and 2.2, respectively. The association between exposure and across-shift decrement in FEV1 was not significant. Byssinotic workers, however, had greater decrements in FEV1% than those without byssinosis: 5.5% versus 1.8%. A consistent gender effect was observed in which both exposed and unexposed women were found to have greater across-shift decrements in FEV1 than men. The gender difference existed among long-term workers as well as workers who had been employed less than 2 years. Results are related to cotton dust exposure, as has been documented elsewhere. The poorer health status of the women in this study population deserves follow-up.
A M Velazquez; D C Christiani; R McConnell; E A Eisen; M Wilcox
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  American journal of industrial medicine     Volume:  20     ISSN:  0271-3586     ISO Abbreviation:  Am. J. Ind. Med.     Publication Date:  1991  
Date Detail:
Created Date:  1991-11-29     Completed Date:  1991-11-29     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  8101110     Medline TA:  Am J Ind Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  195-208     Citation Subset:  IM    
Takemi Program in International Health, Boston, MA.
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MeSH Terms
Byssinosis / epidemiology*,  physiopathology
Cohort Studies
Dust / adverse effects,  analysis
Environmental Exposure / adverse effects
Environmental Monitoring
Nicaragua / epidemiology
Respiratory Function Tests
Respiratory Mechanics
Sex Factors
Grant Support
Reg. No./Substance:

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