Occupational exposure to tobacco dust:1. Effects on the respiratory system

ABSTRACT

Four hundred and seventy six workers who are exposed to tobacco dust and 112 nonexposed workers from the Cigarette Factory No. (1), Yangon were interviewed for respiratory symptoms and occupational history. General clinical examination was also done and recorded. Anthropometric measurements (height and weight) were taken and ventilatory functions in the form of forced vital capacity (FVC), forced expiratory volume in one second (FEV 1.0), and forced expiratory flow (FEF 25-75