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Dust and chemical exposures, and miscarriage risk among women textile workers in Shanghai, China.

Authors
Wong-EY; Ray-RM; Gao-DL; Wernli-KJ; Li-W; Fitzgibbons-ED; Camp-JE; Astrakianakis-G; Heagerty-PJ; De Roos-AJ; Holt-VL; Thomas-DB; Checkoway-H
Source
Occup Environ Med 2009 Mar; 66(3):161-168
NIOSHTIC No.
20035218
Abstract
Introduction: To investigate possible associations between miscarriage and occupational exposures in the Shanghai textile industry. Methods: A retrospective cohort study of miscarriages among 1752 women in the Shanghai textile industry was conducted. Reproductive history was self-reported by women and occupational work histories were collected from factory personnel records. Occupational exposures were assigned by linking work history information to an industry-specific job-exposure matrix informed by factory-specific textile process information and industrial hygiene assessments. Estimates of cotton dust and endotoxin exposure were also assigned. Odds ratios (OR) and 95% CI were estimated by multivariate logistic regression, with adjustment for age at pregnancy, educational level, smoking status of the woman and her spouse, use of alcohol, and woman's year of birth. Results: An elevation in risk of a spontaneously aborted first pregnancy was associated with exposure to synthetic fibres (OR 1.89, 95% CI 1.20 to 3.00) and mixed synthetic and natural fibres (OR 3.31, 95% CI 1.30 to 8.42). No increased risks were observed for women working with solvents, nor were significant associations observed with quantitative cotton dust or endotoxin exposures. Associations were robust and similar when all pregnancies in a woman's reproductive history were considered. Conclusions: Occupational exposure to synthetic fibres may cause miscarriages, and this possibility should be the subject of further investigation.
Keywords
Back-injuries; Worker-health; Job-analysis; Demographic-characteristics; Statistical-analysis; Quantitative-analysis; Work-environment; Worker-health; Musculoskeletal-system; Musculoskeletal-system-disorders; Ergonomics; Posture; Physical-stress; Physiological-disorders; Physiological-effects; Physiological-factors; Physiological-measurements; Physiological-response; Physiological-stress; Transportation-industry; Transportation-workers
Contact
H Checkoway, Department of Environmental and Occupational Health Sciences, School of Public Health and Community Medicine, University of Washington, Box 357234, Seattle, WA 98195-7234, USA
CODEN
OEMEEM
Publication Date
20080801
Document Type
Journal Article
Email Address
checko@u.washington.edu
Funding Type
Grant
Fiscal Year
2008
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-008149
Issue of Publication
3
ISSN
1351-0711
Source Name
Occupational and Environmental Medicine
State
WA
Performing Organization
Fred Hutchinson Cancer Research Center
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