Parental occupation in farming and childhood cancer risk in I4C. Ann Olsson & Joachim Schüz. Rational. Majority of case-control studies show an association Stronger associations with indoor pesticide exposure Internal inconsistencies, e.g. lack of dose-response
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Ann Olsson & Joachim Schüz
Case-control studies are prone to bias!
Recall differences regarding maternaloccupational exposureto pesticides prior to conception
Years between the date of birth and the date of the interview
[Schüz et al., Am J Epi, 2003]
[Law, Br J Cancer, 2002]
Proportion of workersemployed in agriculture
Global pesticide production