Mortality of iron and steel workers in Korea
Background The mortality experience of iron and steel workers from modern plants in developing countries has not been extensively described. Methods Mortality at two Korean iron and steel manufacturing complexes was analyzed using Poisson regression methods with both direct and indirect standardizat...
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| Veröffentlicht in: | American journal of industrial medicine 2005-09, Vol.48 (3), p.194-204 |
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| creator | Park, Robert M. Ahn, Yeon-Soon Stayner, Leslie T. Kang, Seong-Kyu Jang, Jae-Kil |
| description | Background
The mortality experience of iron and steel workers from modern plants in developing countries has not been extensively described.
Methods
Mortality at two Korean iron and steel manufacturing complexes was analyzed using Poisson regression methods with both direct and indirect standardization. Work histories were linked with a national mortality registry. Workers (44,974) hired beginning in 1968 were followed from 1992 to 2001.
Results
The 806 deaths observed during 10 years of follow‐up comprised 2% of the population at risk and represented a large healthy worker effect (HWE) for all causes (SMR = 0.59, 95% CI = 0.55–0.63) and for cancer (SMR = 0.79, 95% CI = 0.70–0.90). Mortality at subsidiaries was considerably higher than at the parent plants (SRR = 1.71, 95% CI = 1.47–1.99). Relative mortality rates declined with employment duration: > 20 years had significantly reduced mortality (SRR = 0.59, 95% CI = 0.43–0.82) compared to duration |
| doi_str_mv | 10.1002/ajim.20197 |
| format | Article |
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The mortality experience of iron and steel workers from modern plants in developing countries has not been extensively described.
Methods
Mortality at two Korean iron and steel manufacturing complexes was analyzed using Poisson regression methods with both direct and indirect standardization. Work histories were linked with a national mortality registry. Workers (44,974) hired beginning in 1968 were followed from 1992 to 2001.
Results
The 806 deaths observed during 10 years of follow‐up comprised 2% of the population at risk and represented a large healthy worker effect (HWE) for all causes (SMR = 0.59, 95% CI = 0.55–0.63) and for cancer (SMR = 0.79, 95% CI = 0.70–0.90). Mortality at subsidiaries was considerably higher than at the parent plants (SRR = 1.71, 95% CI = 1.47–1.99). Relative mortality rates declined with employment duration: > 20 years had significantly reduced mortality (SRR = 0.59, 95% CI = 0.43–0.82) compared to duration < 1 year (test for trend: P = 0.0006). Fatal injury deaths in the first year were highly elevated (SMR = 3.10, 95% CI = 2.17–4.26) declining to less than that expected after 5 years. Cancer mortality was elevated in stainless steel production (SRR = 3.26, 95% CI = 1.37–6.49) and overall mortality was elevated for work in plant maintenance departments (SRR = 1.17, 95% CI = 1.00–1.37), particularly for fatal injuries (SRR = 1.67, 95% CI = 1.29–2.14). All‐cause mortality increased with employment duration in the steel‐production departments, as did fatal injuries in material handling/construction.
Conclusions
This steelworker cohort exhibits excess mortality in some process areas. More detailed retrospective exposure assessment and future follow‐up of this cohort will better define health risks in the modern iron and steel manufacturing. Am. J. Ind. Med. 48:194–204, 2005. © 2005 Wiley‐Liss, Inc.</description><identifier>ISSN: 0271-3586</identifier><identifier>EISSN: 1097-0274</identifier><identifier>DOI: 10.1002/ajim.20197</identifier><identifier>PMID: 16094610</identifier><identifier>CODEN: AJIMD8</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc., A Wiley Company</publisher><subject>Biological and medical sciences ; Cardiovascular Diseases - mortality ; Chemical and industrial products toxicology. Toxic occupational diseases ; developing country ; fatal work injury ; Healthy Worker Effect ; Humans ; Iron ; iron and steel industry ; Korea ; Medical sciences ; Metallurgy ; Metals and various inorganic compounds ; mortality ; Myocardial Ischemia - mortality ; Neoplasms - mortality ; Occupational Diseases ; Regression Analysis ; retrospective cohort study ; Retrospective Studies ; stainless steel ; Steel ; Stroke - mortality ; Toxicology</subject><ispartof>American journal of industrial medicine, 2005-09, Vol.48 (3), p.194-204</ispartof><rights>Copyright © 2005 Wiley‐Liss, Inc.</rights><rights>2005 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4577-81c90cc8dda6444a1e34b03ea7d5d674c6d0133a64423cb6bd591213eb798dd63</citedby><cites>FETCH-LOGICAL-c4577-81c90cc8dda6444a1e34b03ea7d5d674c6d0133a64423cb6bd591213eb798dd63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fajim.20197$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fajim.20197$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17070995$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16094610$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Park, Robert M.</creatorcontrib><creatorcontrib>Ahn, Yeon-Soon</creatorcontrib><creatorcontrib>Stayner, Leslie T.</creatorcontrib><creatorcontrib>Kang, Seong-Kyu</creatorcontrib><creatorcontrib>Jang, Jae-Kil</creatorcontrib><title>Mortality of iron and steel workers in Korea</title><title>American journal of industrial medicine</title><addtitle>Am. J. Ind. Med</addtitle><description>Background
The mortality experience of iron and steel workers from modern plants in developing countries has not been extensively described.
Methods
Mortality at two Korean iron and steel manufacturing complexes was analyzed using Poisson regression methods with both direct and indirect standardization. Work histories were linked with a national mortality registry. Workers (44,974) hired beginning in 1968 were followed from 1992 to 2001.
Results
The 806 deaths observed during 10 years of follow‐up comprised 2% of the population at risk and represented a large healthy worker effect (HWE) for all causes (SMR = 0.59, 95% CI = 0.55–0.63) and for cancer (SMR = 0.79, 95% CI = 0.70–0.90). Mortality at subsidiaries was considerably higher than at the parent plants (SRR = 1.71, 95% CI = 1.47–1.99). Relative mortality rates declined with employment duration: > 20 years had significantly reduced mortality (SRR = 0.59, 95% CI = 0.43–0.82) compared to duration < 1 year (test for trend: P = 0.0006). Fatal injury deaths in the first year were highly elevated (SMR = 3.10, 95% CI = 2.17–4.26) declining to less than that expected after 5 years. Cancer mortality was elevated in stainless steel production (SRR = 3.26, 95% CI = 1.37–6.49) and overall mortality was elevated for work in plant maintenance departments (SRR = 1.17, 95% CI = 1.00–1.37), particularly for fatal injuries (SRR = 1.67, 95% CI = 1.29–2.14). All‐cause mortality increased with employment duration in the steel‐production departments, as did fatal injuries in material handling/construction.
Conclusions
This steelworker cohort exhibits excess mortality in some process areas. More detailed retrospective exposure assessment and future follow‐up of this cohort will better define health risks in the modern iron and steel manufacturing. Am. J. Ind. Med. 48:194–204, 2005. © 2005 Wiley‐Liss, Inc.</description><subject>Biological and medical sciences</subject><subject>Cardiovascular Diseases - mortality</subject><subject>Chemical and industrial products toxicology. Toxic occupational diseases</subject><subject>developing country</subject><subject>fatal work injury</subject><subject>Healthy Worker Effect</subject><subject>Humans</subject><subject>Iron</subject><subject>iron and steel industry</subject><subject>Korea</subject><subject>Medical sciences</subject><subject>Metallurgy</subject><subject>Metals and various inorganic compounds</subject><subject>mortality</subject><subject>Myocardial Ischemia - mortality</subject><subject>Neoplasms - mortality</subject><subject>Occupational Diseases</subject><subject>Regression Analysis</subject><subject>retrospective cohort study</subject><subject>Retrospective Studies</subject><subject>stainless steel</subject><subject>Steel</subject><subject>Stroke - mortality</subject><subject>Toxicology</subject><issn>0271-3586</issn><issn>1097-0274</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0U1PGzEQBmCrAkGgXPoD0F7ggLp0Zv0x8TFElI-G9NKKo-X1OpKTzS7YiUL-fTdNgBscrDn4mRnpHca-IVwiQPHDTsP8sgDU9IX1EDTlUJDYY72uYM5lXx2yo5SmAIhCiQN2iAq0UAg99v2hjQtbh8U6aydZiG2T2abK0sL7Olu1ceZjykKT_Wqjt1_Z_sTWyZ_s6jH7-_P6z_A2H_2-uRsORrkTkijvo9PgXL-qrBJCWPRclMC9pUpWioRTFSDnm8-Cu1KVldRYIPcl6a5J8WN2vp37FNvnpU8LMw_J-bq2jW-XyRSaCPrEP4VIUnYPO3ixhS62KUU_MU8xzG1cGwSzCdFsQjT_Q-zw6W7qspz76p3uUuvA2Q7Y5Gw9ibZxIb07AgKtZedw61ah9usPVprB_d3D6_J82xO6G7y89dg4M4o4SfM4vjGjoaTx49XYSP4PxMCWGw</recordid><startdate>200509</startdate><enddate>200509</enddate><creator>Park, Robert M.</creator><creator>Ahn, Yeon-Soon</creator><creator>Stayner, Leslie T.</creator><creator>Kang, Seong-Kyu</creator><creator>Jang, Jae-Kil</creator><general>Wiley Subscription Services, Inc., A Wiley Company</general><general>Wiley-Liss</general><scope>BSCLL</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7T2</scope><scope>7U1</scope><scope>7U2</scope><scope>7U7</scope><scope>C1K</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>200509</creationdate><title>Mortality of iron and steel workers in Korea</title><author>Park, Robert M. ; Ahn, Yeon-Soon ; Stayner, Leslie T. ; Kang, Seong-Kyu ; Jang, Jae-Kil</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4577-81c90cc8dda6444a1e34b03ea7d5d674c6d0133a64423cb6bd591213eb798dd63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Biological and medical sciences</topic><topic>Cardiovascular Diseases - mortality</topic><topic>Chemical and industrial products toxicology. Toxic occupational diseases</topic><topic>developing country</topic><topic>fatal work injury</topic><topic>Healthy Worker Effect</topic><topic>Humans</topic><topic>Iron</topic><topic>iron and steel industry</topic><topic>Korea</topic><topic>Medical sciences</topic><topic>Metallurgy</topic><topic>Metals and various inorganic compounds</topic><topic>mortality</topic><topic>Myocardial Ischemia - mortality</topic><topic>Neoplasms - mortality</topic><topic>Occupational Diseases</topic><topic>Regression Analysis</topic><topic>retrospective cohort study</topic><topic>Retrospective Studies</topic><topic>stainless steel</topic><topic>Steel</topic><topic>Stroke - mortality</topic><topic>Toxicology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Park, Robert M.</creatorcontrib><creatorcontrib>Ahn, Yeon-Soon</creatorcontrib><creatorcontrib>Stayner, Leslie T.</creatorcontrib><creatorcontrib>Kang, Seong-Kyu</creatorcontrib><creatorcontrib>Jang, Jae-Kil</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Health and Safety Science Abstracts (Full archive)</collection><collection>Risk Abstracts</collection><collection>Safety Science and Risk</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>American journal of industrial medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Park, Robert M.</au><au>Ahn, Yeon-Soon</au><au>Stayner, Leslie T.</au><au>Kang, Seong-Kyu</au><au>Jang, Jae-Kil</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mortality of iron and steel workers in Korea</atitle><jtitle>American journal of industrial medicine</jtitle><addtitle>Am. J. Ind. Med</addtitle><date>2005-09</date><risdate>2005</risdate><volume>48</volume><issue>3</issue><spage>194</spage><epage>204</epage><pages>194-204</pages><issn>0271-3586</issn><eissn>1097-0274</eissn><coden>AJIMD8</coden><abstract>Background
The mortality experience of iron and steel workers from modern plants in developing countries has not been extensively described.
Methods
Mortality at two Korean iron and steel manufacturing complexes was analyzed using Poisson regression methods with both direct and indirect standardization. Work histories were linked with a national mortality registry. Workers (44,974) hired beginning in 1968 were followed from 1992 to 2001.
Results
The 806 deaths observed during 10 years of follow‐up comprised 2% of the population at risk and represented a large healthy worker effect (HWE) for all causes (SMR = 0.59, 95% CI = 0.55–0.63) and for cancer (SMR = 0.79, 95% CI = 0.70–0.90). Mortality at subsidiaries was considerably higher than at the parent plants (SRR = 1.71, 95% CI = 1.47–1.99). Relative mortality rates declined with employment duration: > 20 years had significantly reduced mortality (SRR = 0.59, 95% CI = 0.43–0.82) compared to duration < 1 year (test for trend: P = 0.0006). Fatal injury deaths in the first year were highly elevated (SMR = 3.10, 95% CI = 2.17–4.26) declining to less than that expected after 5 years. Cancer mortality was elevated in stainless steel production (SRR = 3.26, 95% CI = 1.37–6.49) and overall mortality was elevated for work in plant maintenance departments (SRR = 1.17, 95% CI = 1.00–1.37), particularly for fatal injuries (SRR = 1.67, 95% CI = 1.29–2.14). All‐cause mortality increased with employment duration in the steel‐production departments, as did fatal injuries in material handling/construction.
Conclusions
This steelworker cohort exhibits excess mortality in some process areas. More detailed retrospective exposure assessment and future follow‐up of this cohort will better define health risks in the modern iron and steel manufacturing. Am. J. Ind. Med. 48:194–204, 2005. © 2005 Wiley‐Liss, Inc.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><pmid>16094610</pmid><doi>10.1002/ajim.20197</doi><tpages>11</tpages></addata></record> |
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| source | MEDLINE; Wiley Online Library Journals Frontfile Complete |
| subjects | Biological and medical sciences Cardiovascular Diseases - mortality Chemical and industrial products toxicology. Toxic occupational diseases developing country fatal work injury Healthy Worker Effect Humans Iron iron and steel industry Korea Medical sciences Metallurgy Metals and various inorganic compounds mortality Myocardial Ischemia - mortality Neoplasms - mortality Occupational Diseases Regression Analysis retrospective cohort study Retrospective Studies stainless steel Steel Stroke - mortality Toxicology |
| title | Mortality of iron and steel workers in Korea |
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