作者: J Huang , E Shibata , Y Takeuchi , H Okutani
DOI: 10.1136/OEM.50.2.112
关键词:
摘要: A cross sectional study on ceramics workers in the Seto area of Japan was conducted to determine whether there are differences morbidity pattern and overall health among working populations employed by different sized companies engaged industry. The population consisted 3324 male (age range 40-69) who participated occupational screening programme 1990. prevalences pulmonary diseases (silicosis tuberculosis) findings some nonpulmonary were compared terms company size categories 1-19, 20-49, 50-99, 100 or more employees. values various tests subjected principle component analysis extract factors representing key indices state. average factor scores stratified used quantitatively evaluate comprehensive level. Both prevalence multivariate showed that employees for smaller had worse health. company, higher lower silicosis tuberculosis tended be; significantly increased rates hypertension, anaemia, glucosuria small also found when with larger companies. high contributed most decline