Investigation of iodine sources. To investigate reasons for the
high iodine intakes and their spatial distribution, we initially
considered rural/urban location, displaced or resident status,
household food consumption, and exposure to iodized salt. In
women, an urban or rural location was not associated with a
difference in median UIC at the national level (Mann-Whitney,
P = 0.92). Likewise, having resident or internal displaced
status did not affect UIC. In SAC, a rural location or IDP
status was also not associated with a difference in median UIC
at the national level (Mann-Whitney, P = 0.09; Kruskal-Wallis,
P = 0.07).