Abstract:
:To understand better the effects of noise levels associated with dairy farming, we randomly selected 49 full-time dairy farmers from an established cohort. Medical and occupational histories were taken and standard audiometric testing was done. Forty-six males (94%) and three females (6%) with a mean age of 43.5 (+/- 13) years and an average of 29.4 (+/- 14) years in farming were tested. Pure Tone Average thresholds (PTA4) at 0.5, 1.0, 2.0, and 3.0 kHz plus High Frequency Average thresholds (HFA3) at 3.0, 4.0, and 6.0 kHz were calculated. Subjects with a loss of greater than or equal to 20 db in either ear were considered abnormal. Eighteen subjects (37%) had abnormal PTA4S and 32 (65%) abnormal HFA3S. The left ear was more severely affected in both groups (p less than or equal to .05, t-test). Significant associations were found between hearing loss and years worked (odds ratio 4.1, r = .53) and age (odds ratio 4.1, r = .59). No association could be found between hearing loss and measles; mumps; previous ear infections; or use of power tools, guns, motorcycles, snowmobiles, or stereo headphones. Our data suggest that among farmers, substantial hearing loss occurs especially in the high-frequency ranges. Presbycusis is an important confounding variable.
journal_name
Am J Ind Medjournal_title
American journal of industrial medicineauthors
May JJ,Marvel M,Regan M,Marvel LH,Pratt DSdoi
10.1002/ajim.4700180315subject
Has Abstractpub_date
1990-01-01 00:00:00pages
333-7issue
3eissn
0271-3586issn
1097-0274journal_volume
18pub_type
杂志文章abstract::Roll-over protective structures (ROPS) on farm tractors could significantly reduce the rate of fatal occupational injury on farms, but comparatively few tractors have them. Many of the policy discussions have focused on trying to identify the percentage of tractors that do not have ROPS, even though such a focus proba...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/(SICI)1097-0274(199610)30:4<447::AID-AJIM1
更新日期:1996-10-01 00:00:00
abstract::The authors developed a union sponsored 2-day human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS) "train the trainer" program for healthcare workers in the San Francisco Bay Area. The program incorporated the "education for action" approach in an effort to respond to the inadequacies in many tra...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.4700220509
更新日期:1992-01-01 00:00:00
abstract::A Health Hazard Evaluation was conducted by the National Institute for Occupational Safety and Health in an area of a large chemical plant that manufactured the stilbene derivative 4,4'-diaminostilbene-2,2'-disulfonic acid, an intermediate used for the production of optical brightening agents. Men employed in the area...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.4700180107
更新日期:1990-01-01 00:00:00
abstract::Exposure to grain dust has been associated with a neutrophilic bronchitis. In vitro studies suggest several possible mechanisms for recruitment of neutrophils, including direct chemotaxis to aqueous grain dust extracts and release of chemotactic activity by bronchial epithelial cells in response to challenge with grai...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.4700250122
更新日期:1994-01-01 00:00:00
abstract:BACKGROUND:Exposure to disinfectants among healthcare workers has been associated with respiratory health effects, in particular, asthma. However, most studies are cross-sectional and the role of disinfectant exposures in asthma development requires longitudinal studies. We investigated the association between occupati...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.23067
更新日期:2020-01-01 00:00:00
abstract:BACKGROUND:We sought to gain insight into workers' knowledge, beliefs, and attitudes on the subject of testing for genetic susceptibility to beryllium. METHODS:Five focus groups were held with 30 current and former beryllium workers and nine family members. Audio recordings were transcribed and assessed by hierarchica...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.20962
更新日期:2011-07-01 00:00:00
abstract::O6-Alkylguanine-DNA alkyltransferase (AGT) activity was assessed in peripheral blood lymphocytes among 23 mortuary science students before and after 9 weeks in a laboratory course in techniques of embalming. Formaldehyde exposure was established by environmental monitoring. The average air concentration of formaldehyd...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/(sici)1097-0274(199703)31:3<361::aid-ajim1
更新日期:1997-03-01 00:00:00
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journal_title:American journal of industrial medicine
pub_type: 杂志文章,评审
doi:10.1002/ajim.23095
更新日期:2020-05-01 00:00:00
abstract:BACKGROUND:The global burden of hepatitis B (HBV), hepatitis C (HCV), and human immunodeficiency virus (HIV) infection due to percutaneous injuries among health care workers (HCWs) is estimated. METHODS:The incidence of infections attributable to percutaneous injuries in 14 geographical regions on the basis of the pro...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.20230
更新日期:2005-12-01 00:00:00
abstract::Exposure to mineral dust was studied among construction workers (N = 437) with the aid of a questionnaire and a chest X-ray examination of the lungs. The results of the questionnaire showed that 81% of the construction workers had been exposed to asbestos. Exposure had occurred in all of the occupational groups studie...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.4700210411
更新日期:1992-01-01 00:00:00
abstract::A one-year prospective survey was conducted to study the incidence of and potential risk factors for farm-related injuries in Eastern Ontario. One hundred and seventeen dairy and beef farms were surveyed using a personal interview. Information was collected on demographic characteristics of the farm owners, workers, a...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.4700210503
更新日期:1992-01-01 00:00:00
abstract:BACKGROUND:An investigation of a small private agate mill was prompted by an agate worker who presented with silicosis in Guangzhou, China, in December 1998. METHODS:The work processes and records of dust measurements of the mill were examined. The mean total dust concentrations ranged from 3.0 to 9.9 mg/m3; 86-88% of...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.1074
更新日期:2001-07-01 00:00:00
abstract:BACKGROUND:The extent that cigarette smoking may confound the relationship between diesel exhaust exposure and lung cancer was assessed in a retrospective cohort study of 55,395 U.S. railroad workers followed from 1959 to 1976. METHODS:The relative risk (RR) of lung cancer due to diesel exhaust was indirectly adjusted...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/1097-0274(200010)38:4<399::aid-ajim5>3.0.c
更新日期:2000-10-01 00:00:00
abstract::A death certificate based case-control study of lung cancer in two Ontario cities was performed to estimate the risk of lung cancer attributable to occupation in Ontario, and to estimate the proportion of occupational lung cancers receiving compensation from the Workers' Compensation Board. Occupation and industry wer...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.4700270112
更新日期:1995-01-01 00:00:00
abstract::The medical management of three individuals involved in an exposure incident to whole-body radiation at a nuclear generating plant of a Canadian electrical utility is described. The exposure incident resulted in the two highest whole-body radiation doses ever received in a single event by workers in a Canadian nuclear...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.4700220210
更新日期:1992-01-01 00:00:00
abstract::In the course of a health screening for construction carpenters, 127 subjects underwent blood lead testing, administration of detailed questionnaires, and in vivo measurement of bone lead levels with a 109Cd K-X-ray fluorescence (K-XRF) instrument. The mean age of subjects was 48.5 (SD = 9.8) years. Blood lead levels ...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.4700260211
更新日期:1994-08-01 00:00:00
abstract:BACKGROUND:Occupational exposure to vinyl chloride monomer (VCM) has been established as a cause of hepatocellular carcinoma (HCC) and liver angiosarcoma (ASL). However, some controversy remains due to conflicting results on liver cirrhosis, and to evidence on HCC based on few confirmed cases. The aim of the study is t...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.22922
更新日期:2019-01-01 00:00:00
abstract:BACKGROUND:While assessment of subcontractors' safety performance during project bidding processes are common in commercial construction, the validation of organizational surveys used in these processes is largely absent. METHODS:As part of a larger research project called Assessment of Contractor Safety (ACES), we de...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.23143
更新日期:2020-09-01 00:00:00
abstract::An occupational injury surveillance project was conducted in 15 of Iowa's 99 counties. Trained abstractors reviewed the medical records of persons admitted for trauma to hospitals during 1983. Based on these chart reviews, subsequent mail-out questionnaires and phone contacts were made, and rate estimates for occupati...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.4700180213
更新日期:1990-01-01 00:00:00
abstract::A case of baker's asthma with a fatal outcome is described. Clinical features and the circumstances of death are recounted. While the case documents the potential severity of occupational asthma, it also illustrates the difficulties of managing occupational asthma in the absence of good social security. ...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.4700260608
更新日期:1994-12-01 00:00:00
abstract:BACKGROUND:Work-related musculoskeletal disorders (WMSD) among construction workers remain high. Participatory ergonomics (PE) interventions that engage workers and employers in reducing work injury risks have shown mixed results. METHODS:Eight-six workers from seven contractors participated in a PE program. A logic m...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.22586
更新日期:2016-06-01 00:00:00
abstract:BACKGROUND:Autopsied lungs from 29 hard rock miners were investigated to determine the relationship of the dust content to pathology, radiology, and occupational exposure. METHODS:Each lung was divided horizontally into three sections. Pathological and radiological studies and chemical analyses were carried out on sam...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.20589
更新日期:2008-07-01 00:00:00
abstract:BACKGROUND:The tanning industry involves many occupational exposures. This study evaluates proportionate cancer mortality among workers employed in the Belarussian tanning plant in Minsk. METHODS:A total of 768 workers with seniority of not less than 6 months who were hired after January 1, 1953 and died before Decemb...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.10275
更新日期:2003-12-01 00:00:00
abstract:OBJECTIVE:Assess the national prevalence of current workplace exposure to potential skin hazards, secondhand smoke (SHS), and outdoor work among various industry and occupation groups. Also, assess the national prevalence of chronic workplace exposure to vapors, gas, dust, and fumes (VGDF) among these groups. METHODS:...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.22089
更新日期:2013-06-01 00:00:00
abstract::Assessing the health risks of complex mixtures of polynuclear aromatic hydrocarbons such as diesel fumes and asphalt or bitumen continues to be a major challenge for occupational and environmental health scientists. The special Asphalt issue of the American Journal of Industrial Medicine (Cancer Mortality Among Europe...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.10215
更新日期:2003-03-01 00:00:00
abstract:BACKGROUND:Mortality rates associated with total pneumoconiosis, including coal worker's pneumoconiosis (CWP), have remained elevated. METHODS:2003-2013 pneumoconiosis mortality data obtained from National Center for Health Statistics and 2011-2013 Kentucky death certificates were analyzed. RESULTS:Total pneumoconios...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.22511
更新日期:2015-10-01 00:00:00
abstract::We evaluated the cost and yield of a general health surveillance program emphasizing the identification of occupationally related diseases among workers in a high-risk trade. Of approximately 4,000 eligible members of two local plumbers and pipefitters unions, 639 were screened in this program. Screening tests indicat...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.4700130205
更新日期:1988-01-01 00:00:00
abstract::The objectives of notification are to inform individuals of research results so that they can make informed choices regarding health care and risk reduction behaviors, and to inform workers and employers of results and recommendations in order to take actions to improve workplace health and safety. Many questions conf...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.4700230109
更新日期:1993-01-01 00:00:00
abstract:BACKGROUND:This study investigated the relationship between weekly working hours and the occurrence of cerebro-cardiovascular diseases using a case-crossover study design. METHODS:We investigated average working hours during the 7 days before the onset of illness (hazard period) and average weekly working hours betwee...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.22688
更新日期:2017-09-01 00:00:00
abstract::In view of the increasing incidence of diseases such as gastritis and ulcers in workers exposed to noise, we assessed whether noise does in fact affect gastric secretion. Then, considering the conflicting findings published on the effects of noise on gastric secretion, we also investigated whether the response was rel...
journal_title:American journal of industrial medicine
pub_type: 杂志文章
doi:10.1002/ajim.4700260310
更新日期:1994-09-01 00:00:00