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Perbandingan Dua Metode Estimasi Pajanan Pestisida di Tempat Kerja
Obtaining valid information on past exposures from personal interview may be difficult. The role of experts such as industrial hygienists or agronomists in estimating pesticide exposures could improve the validity of data. The aims of this study are to compare occupational pesticides exposures determined by self-reports and experts, and to examine the discrepancies pattems of exposure ratings obtained by two methods. Sell-report exposure information was derived from a case-control study of aplastic anemia in Thailand. Expert judgments were used to assign levels of exposure toward 4 different pesticides among-476 job titles. A standardized instrument was developed based on exposure probability, frequency, intensity and confidence rating. There was a poor appropriateness on pesticide exposure ratings obtained by two methods. Expert cited that grain farmers were the most exposed group among job titles from four pesticides; however, almost grain farmers denied. the exposures. There was a discrepancy in reporting the exposure; case groups, youth, male and higher incomes were more likely to report the exposures. Due to the uncertainty of exposure estimation from the two methods, combining estimation both of expert and self-report may enhance the utility of both methods and improve the validity of exposure estimation.
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