iWorkHealth: An instrument to identify workplace psychosocial risk factors for a multi-ethnic Asian working population.

Objective: The current study aimed to develop iWorkHealth, a valid and reliable self-administered instrument which identifies workplace psychosocial risk factors in Singapore.

Methods: The survey was conducted among 2718 employees who were primarily salaried workers and working in five companies from the healthcare, banking and finance, and legal sectors in Singapore. Factor extraction and item reduction were conducted using exploratory factor analysis (EFA) and Mokken scale analysis (MSA).

Inhalational nickel carbonyl poisoning in waste processing workers.

Background: Nickel carbonyl is formed when carbon monoxide comes into contact with active nickel. The inhaled nickel carbonyl is rapidly absorbed and distributed mainly to the lungs, brain, adrenal glands, and kidneys. In severe cases, acute nickel carbonyl exposure has been reported to cause death.