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[Cohort mortality study of dust exposed miners in iron mine].

Abstract

OBJECTIVE

To investigate the main diseases jeopardizing the health of the iron miners and to explore the relationship between dust exposure and malignancies as well as other diseases.

METHODS

A retrospective study with a cohort of 7,469 workers employed between January 1, 1972 and December 31, 1974 in Daye Iron Ore Mine Co. in Hubei Province was conducted. Standardized mortality ratio (SMR) was calculated for the main causes of death using Chinese national mortality rates for reference.

RESULTS

All subjects were followed up through December 31, 2003 with an accumulation of 199, 108.0 person years. A total of 1,752 workers died. The cumulative mortality was 23.5%. The cancers, cerebrovascular diseases, non-malignant respiratory diseases and cardiovascular diseases were main diseases that threatened workers' life span. The SMR for all subjects was a little higher than expected based on the Chinese national mortality rates. The diseases causing the significantly higher death rate were the nasopharynx cancer, liver cancer, lung cancer, pneumoconiosis and accident with SMR 1.84, 1.51, 1.83, 14.94 and 1.25 respectively. Increased mortality was observed among dust-exposed workers in the cohort. The cumulative mortality from all causes such as stomach cancer, lung cancer, nonmalignant respiratory diseases, cardiovascular diseases and accident in dust exposed workers were significantly increased compared with those in non-exposure workers with RR 1.35, 1.83, 1.61, 2.27, 1.34 and 1.69 respectively.

CONCLUSION

The risk factors especially dust exposure affect the health and lifespan of the iron mine workers.

Authors+Show Affiliations

Hospital of Wugang Daye Iron Mine Co. Huangshi, Hubei Province 435009, China.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

English Abstract
Journal Article

Language

chi

PubMed ID

16824343

Citation

Su, Liang-ping, et al. "[Cohort Mortality Study of Dust Exposed Miners in Iron Mine]." Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi = Zhonghua Laodong Weisheng Zhiyebing Zazhi = Chinese Journal of Industrial Hygiene and Occupational Diseases, vol. 24, no. 6, 2006, pp. 360-3.
Su LP, Guan HY, Zhao LF, et al. [Cohort mortality study of dust exposed miners in iron mine]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi. 2006;24(6):360-3.
Su, L. P., Guan, H. Y., Zhao, L. F., Zhang, J. M., & Chen, W. H. (2006). [Cohort mortality study of dust exposed miners in iron mine]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi = Zhonghua Laodong Weisheng Zhiyebing Zazhi = Chinese Journal of Industrial Hygiene and Occupational Diseases, 24(6), pp. 360-3.
Su LP, et al. [Cohort Mortality Study of Dust Exposed Miners in Iron Mine]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi. 2006;24(6):360-3. PubMed PMID: 16824343.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - [Cohort mortality study of dust exposed miners in iron mine]. AU - Su,Liang-ping, AU - Guan,Hong-yu, AU - Zhao,Li-fan, AU - Zhang,Jian-min, AU - Chen,Wei-hong, PY - 2006/7/11/pubmed PY - 2007/2/7/medline PY - 2006/7/11/entrez SP - 360 EP - 3 JF - Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases JO - Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi VL - 24 IS - 6 N2 - OBJECTIVE: To investigate the main diseases jeopardizing the health of the iron miners and to explore the relationship between dust exposure and malignancies as well as other diseases. METHODS: A retrospective study with a cohort of 7,469 workers employed between January 1, 1972 and December 31, 1974 in Daye Iron Ore Mine Co. in Hubei Province was conducted. Standardized mortality ratio (SMR) was calculated for the main causes of death using Chinese national mortality rates for reference. RESULTS: All subjects were followed up through December 31, 2003 with an accumulation of 199, 108.0 person years. A total of 1,752 workers died. The cumulative mortality was 23.5%. The cancers, cerebrovascular diseases, non-malignant respiratory diseases and cardiovascular diseases were main diseases that threatened workers' life span. The SMR for all subjects was a little higher than expected based on the Chinese national mortality rates. The diseases causing the significantly higher death rate were the nasopharynx cancer, liver cancer, lung cancer, pneumoconiosis and accident with SMR 1.84, 1.51, 1.83, 14.94 and 1.25 respectively. Increased mortality was observed among dust-exposed workers in the cohort. The cumulative mortality from all causes such as stomach cancer, lung cancer, nonmalignant respiratory diseases, cardiovascular diseases and accident in dust exposed workers were significantly increased compared with those in non-exposure workers with RR 1.35, 1.83, 1.61, 2.27, 1.34 and 1.69 respectively. CONCLUSION: The risk factors especially dust exposure affect the health and lifespan of the iron mine workers. SN - 1001-9391 UR - https://www.unboundmedicine.com/medline/citation/16824343/[Cohort_mortality_study_of_dust_exposed_miners_in_iron_mine]_ L2 - https://medlineplus.gov/iron.html DB - PRIME DP - Unbound Medicine ER -