* MUIC, median urinary iodine concentration * HHIS, percentage of households consuming iodized salt (>0 ppm) among all tested households SAC: school-age children / WRA: women of reproductive age / PW: pregnant women
Universal salt iodisation (USI) was introduced in Sri Lanka in 1995. Since then, four national iodine surveys have assessed the iodine nutrition status of the population. We retrospectively reviewed ...