Respiratory symptoms and some related factors in waste collection workers at 2 branches in Hanoi, 2017

Describe the current situation of respiratory symptoms in waste collection workers at 2 branches in Hanoi and some related factors, 2017. Workers exposed to occupational hazards had a higher prevalence proportion of chronic respiratory symptoms than those who were not exposed. However, a signicant association between exposure to occupational harmful factor and chronic respiratory symptoms has not been established.