exposure to iodized salt was associated with a significantly
increased median UIC in women (770 vs. 281 mg/L; Mann-
Whitney, P = 0.001) and in SAC (1260 vs. 366 mg/L; Mann-
Whitney, P < 0.001). The 4 clusters where salt iodization
exceeded 20% coverage were all located adjacent to the Kenyan
border in the area of El Wak.