Previous field studies from Nicaragua [2], Indonesia [3], Vietnam [4], Brazil [5], and China [6] have reported an occupational pesticide poisoning prevalence of 8.8% to 31%, based on self-reporting, although the study period and definition of poisoning varies between studies. In South Korea, a recent nationwide sampling survey conducted in 2011 demonstrated that the incidence rate of acute occupational pesticide poisoning was 24.7 per 100 male farmers, which corresponds to 209,512 cases in 2010