Table 4.

Prevalence of current asthma by occupational group in WA BRFSS, 2006–2009.

		Current asthmaa			Prevalence Ratio (PR) Current asthma
Occupational groups (19)	#	n	Percent	95% CI	PR	95% CI
Other health services	1302	162	11.17	8.95–13.40	1.52	1.21–1.92
Administrative support, including clerical	4731	497	10.69	9.41–11.97	1.45	1.23–1.72
Teachers, all levels and counselors	3860	377	9.64	8.39–10.89	1.31	1.10–1.56
Food preparation and services	1142	120	9.28	6.82–11.75	1.26	0.94–1.69
Cleaning and building services, private household; personal services	1848	159	8.80	6.89–10.71	1.18	0.94–1.53
Management related	2469	216	8.64	7.18–10.10	1.17	0.95–1.45
Mathematical, computer, natural, social scientists; urban planners	1071	80	8.64	6.14–11.14	1.17	0.86–1.61
Health assessment, diagnosis and treatment professionals	2300	221	8.45	7.02–9.88	1.15	0.93–1.41
Sales	3613	316	8.39	7.13–9.65	1.14	0.94–1.38
Technical and related support	2544	239	8.34	6.95–9.73	1.13	0.92–1.39
Executive, administrative and managerialb	5546	448	7.35	6.47–8.23	1.00	–
Lawyers and judges; protective services	1050	83	7.04	5.04–9.03	0.96	0.70–1.39
Engineers, architects and surveyors	1233	78	7.03	5.16–8.89	0.96	0.71–1.28
Other professionals	1643	130	7.02	5.36–8.68	0.95	0.73–1.24
Mechanics and repairers, precision production; Plant and system operators	1758	106	6.39	4.87–7.92	0.87	0.66–1.14
Machine operators, assemblers and inspectors, handlers, equipment cleaner, helpers and laborers	1688	97	6.33	4.45–8.22	0.86	0.62–1.19
Construction and Extraction	1334	69	5.33	3.60–7.06	0.81	0.55–1.18
Transportation and material moving; Truck Drivers	1248	87	5.81	4.18–7.433	0.79	0.58–1.07
Farming, forestry and fishing	1555	95	4.88	3.43–6.34	0.66	0.48–0.92
All	41 935	3580	8.11	7.75–8.48	–	–

^aData weighted to account for BRFSS survey sampling.

^bReference group for prevalence ratio calculation.

Bold font identifies significance at p < 0.05.