BRICK MORTAR EXPOSURE AND CHRONIC LYMPHOCYTIC-LEUKEMIA

A case-control study of 130 patients with chronic lymphocytic leukemia (CLL) and 130 controls matched with respect to sex, age (2 years), ty pe of residence (urban-rural) and area of residence (according to the national per capita income) was carried out. Conditional logistic regr ession analysis showed that, apart of four risk factors already descri bed in the literature (work in a hazardous industry, hair dye use, fam ily history of leukemia and exposure to electromagnetic radiation), br ick mortar exposure was also significantly related to CLL.