Table 3.

Occupations of participants with exposures to asthmagenic agents according to AsthmaJEM (N = 66)

Level of risk	Agents	Total N	N	Occupations
High risk	High molecular weight
	Animals	1	1	Dairy and livestock producers
	Latex	2	1	Nursing and midwifery professionals
			1	Institution-based personal care workers
	Bioaerosols	2	1	Dairy and livestock producers
			1	Machine-tool operators
	Total number with a high molecular weight exposure	4*
	Low molecular weight
	Highly reactive chemicals	3	1	Biologists, botanists, zoologists and related professionals
			1	Institution-based personal care workers
			1	Helpers/cleaners in offices, hotels etc.
	Industrial cleaning products	2	1	Institution-based personal care workers
			1	Helpers/cleaners in offices, hotels etc.
	Wood dusts	1	1	Carpenters and joiners
	Metal sensitizers	2	1	Tool-makers and related workers
			1	Machine-tool operators
	Total number with a low molecular weight exposure	6*
	Mixed environments or agents
	Metal working fluids	2	1	Tool-makers and related workers
			1	Machine-tool operators
	Agricultural	1	1	Dairy and livestock producers
	Textiles	1	1	Tailors, dressmakers and hatters
	High irritant peaks	2	2	Police officers
	Total number with exposure to mixed environments or agents	6*
	Total number with a high risk exposure	11*
Low risk	Possible exposure to other respiratory hazards
	Irritants, but not high peaks	3	1	Carpenters and joiners
			1	Mining-plant operators
			1	Helpers/cleaners in offices, hotels etc.
	Motor vehicle exhaust fumes	9	2	Police officers
			1	Motor mechanics and fitters
			1	Railway brakers, signallers and shunters
			3	Car, taxi and van drivers
			1	Bus and tram drivers
			1	Lifting-truck operators
	Environmental tobacco smoke	1	1	Waiters, waitresses and bartenders
	Total number with exposure to other respiratory hazards	13*
	Total number with a low risk exposure	9
No risk	Total number with no exposure to any respiratory hazard	46

^*Totals do not add since some participants had multiple exposures and/or multiple occupations.