[Investigation about prevention behavior for dust workers in machinery, ceramic, and metallurgy industry].

Objective: The purposes of this thesis were to study the behavior about workers exposed to dust and provide scientific basis for health promotion.

Methods: We designed a questionnaire and carry it on the 746 dust workers in the 3 representative corporations of Machinery, Ceramic, and Metallurgy Industry. All data were input into computer.

[Relationship between pneumoconiosis and the polymorphisms of HLA-DRB1*, DQB1* genes].

Objective: To explore the relationship between the polymorphism of HLA-DRB1*, DQB* genes and the susceptibility of pneumoconiosis.

Methods: 1:1 case-control study was adopted. one hundred and thirteen cases of I grade pneumoconiosis were investigated.