Number of fathers of children with leukaemia and their unmatched controls with occupational exposure to exhaust fumes, driving, and inhaled particulate hydrocarbons at periconception
| Cases | Controls | |||||
|---|---|---|---|---|---|---|
| Occupational group | n | % | n | % | No. jobs | Job titles |
| Exhaust fumes only | 41 | 22 | 155 | 25 | 7 | Garage managers and proprietors; motor mechanics and auto-engineers; traffic wardens; bus inspectors; refuse and salvage collectors; driver’s mates; messengers |
| Driving only | 19 | 10 | 77 | 12 | 4 | Crane drivers; mechanical plant drivers and operatives; fork lift truck drivers; rail engine drivers and assistants |
| Inhaled particulate hydrocarbons only | 19 | 10 | 56 | 9 | 6 | Fire service officers; furnace operatives (metal); coal mine labourers; smith and forge workers; labourers in foundries; moulders, core makers and die casters |
| Exhaust fumes and driving | 10 | 5 | 41 | 7 | 3 | Driving instructors; roundsmen and van salespersons; agricultural machinery drivers and operatives |
| Exhaust fumes and inhaled particulate hydrocarbons | 4 | 2 | 18 | 3 | 3 | Tyre and exhaust fitters; petrol pump forecourt attendants; bus conductors |
| Exhaust fumes, driving, and inhaled particulate hydrocarbons | 92 | 50 | 271 | 44 | 3 | Drivers of road goods vehicles; bus and coach drivers; taxi, cab drivers and chauffeurs |
| Total | 185 | 618 | ||||