IL3 SNP rs40401 variant is a risk factor for rhinoconjunctivitis in Japanese women: The Kyushu Okinawa Maternal and Child Health Study

This is the first study to show a significant positive association between IL3 SNP rs40401 variant and the risk of rhinoconjunctivitis. We could not find evidence for interactions between SNP rs40401 and smoking or older siblings affecting rhinoconjunctivitis.