Abstract:
INTRODUCTION:This study estimated the prevalence of spirometry-defined airflow obstruction and coal workers' pneumoconiosis (CWP) among never-smoking coal miners participating in the National Institute for Occupational Safety and Health (NIOSH) Coal Workers' Health Surveillance Program (CWHSP). METHODS:Data were from working miners screened by a CWHSP mobile unit who had valid spirometry and chest radiography results. Spirometry-defined airflow obstruction was determined when the ratio of forced expiratory volume in the first second to forced vital capacity is less than the lower limit of normal. Chest radiographs were classified according to the International Labour Office system to identify pneumoconiosis, including the most severe form of pneumoconiosis, progressive massive fibrosis (PMF). RESULTS:Prevalence of airflow obstruction among never-smoking coal miners in this sample was 7.7% overall, 16.4% among miners with CWP and 32.3% among miners with PMF. Airflow obstruction was significantly associated with CWP and PMF. CONCLUSIONS:There was a higher prevalence of airflow obstruction among never-smoking coal miners with pneumoconiosis compared with those without pneumoconiosis. These findings support prior research on airflow obstruction and smoking and show pneumoconiosis might present with an obstructive pattern regardless of smoking status.
journal_name
Occup Environ Medjournal_title
Occupational and environmental medicineauthors
Kurth L,Laney AS,Blackley DJ,Halldin CNdoi
10.1136/oemed-2019-106213subject
Has Abstractpub_date
2020-04-01 00:00:00pages
265-267issue
4eissn
1351-0711issn
1470-7926pii
oemed-2019-106213journal_volume
77pub_type
杂志文章abstract:AIM:To compare two different methods for assessment of postural load and duration of computer use in office workers. METHODS:The study population existed of 87 computer workers. Questionnaire data about exposure were compared with exposures measured by a standardised or objective method. Measuring true exposure to pos...
journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.2004.013219
更新日期:2004-12-01 00:00:00
abstract:OBJECTIVES:The association between shift work and cancer, which is thought to be mediated by effects on circulating melatonin levels, may be modified by chronotype (ie, the inherent preference for activity in the morning or the evening); however, few studies have examined the potential impact of chronotype on the carci...
journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oemed-2013-101730
更新日期:2014-03-01 00:00:00
abstract:OBJECTIVES:To examine the association of immune cell number and function with occupational exposure to substances contaminated with 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD). METHODS:A cross sectional medical survey. The exposed participants were employed at two chemical plants between 1951 and 1972 in the manufactur...
journal_title:Occupational and environmental medicine
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章,随机对照试验
doi:10.1136/oemed-2014-102160
更新日期:2015-01-01 00:00:00
abstract:AIMS:To test whether (1) physically demanding work is less frequent for older than younger employees, and whether (2) the association of physically demanding work with decline of physical functioning is stronger for older employees than their younger counterparts. The gender differences in these associations were exami...
journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.2004.014035
更新日期:2005-02-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章,随机对照试验
doi:10.1136/oemed-2015-103089
更新日期:2015-12-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.51.5.308
更新日期:1994-05-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.60.11.810
更新日期:2003-11-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.51.2.95
更新日期:1994-02-01 00:00:00
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doi:10.1136/oem.2005.023952
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journal_title:Occupational and environmental medicine
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doi:10.1136/oem.59.8.537
更新日期:2002-08-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.60.7.475
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journal_title:Occupational and environmental medicine
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doi:10.1136/oem.52.10.686
更新日期:1995-10-01 00:00:00
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pub_type: 杂志文章
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journal_title:Occupational and environmental medicine
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doi:10.1136/oemed-2014-102522
更新日期:2015-09-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.2011.064758
更新日期:2012-03-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章,多中心研究
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章,多中心研究
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journal_title:Occupational and environmental medicine
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journal_title:Occupational and environmental medicine
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
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更新日期:2019-09-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oemed-2013-101584
更新日期:2014-04-01 00:00:00
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更新日期:2018-06-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oemed-2018-105311
更新日期:2019-05-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.58.3.172
更新日期:2001-03-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.51.11.739
更新日期:1994-11-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.55.7.468
更新日期:1998-07-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章,多中心研究
doi:
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