RISK OF LEUKEMIA IN CHILDREN LIVING NEAR HIGH-VOLTAGE TRANSMISSION-LINES

We conducted a study to examine the risk of leukemia between 1987 ann 1992 among children living near high-voltage transmission lines (HVTL) in three urban districts of northern Taiwan. Twenty-eight cases of le ukemia among some 120,696 children aged 14 years or less were reported to the national cancer registry between 1987 and 1992. Compared with children living in households more than 100 meters away from HVTL, chi ldren living in households less than 100 meters from HVTL experienced an essentially elevated risk of leukemia (7 versus 2.88, standardized incidence ratio [SIR] = 2.43, 95% confidence interval [CI] = 0.98 - 5. 01). The elevated risk stands when compared with all children of Taiwa n alternatively (7 versus 2.60, SIR = 2.69, 95% CT = 1.08 - 5.55). Suc h elevated risk was particularly noteworthy among children aged 5 - 9 years. The findings suggest that children living near HVTL tend to exp erience an elevated risk of leukemia. Further investigations are undou btedly needed to unveil whether such tendency may have implied the put ative association between exposure to elevated magnetic fields and ris k of childhood leukemia.