Most epidemiological studies of pesticides have used self-reports rather than quantitative measurements to assess exposures. The purpose of this study was to identify factors likely to affect exposure under actual field conditions and to measure the sensitivity and specificity of self-reported indications of exposure against urinary measures of herbicide exposure.
Health Surveillance and Epidemiology Division, Population and Public Health Branch, Health Canada, A.L. 0701D, Ottawa, Ontario, K1A 0L2, Canada. Tye_Arbuckle@hc-sc.gc.ca
