A full-year study of sickness absence was done on 148 workers in a bus company. 58.8% of the workers took one or more than one day of absence while 42.2% took no absence at all. Sickness absence rates were 1.64 spells per person, 2.26 days per person and mean length of spell was 1.38 days per spell. The figures were low compared with Western countries or Singapore. Indian had higher absence rates and bus drivers and conductors had less days and spells of absence than office staff and mechanics in the same company.