1,600
Participants
Start Date
January 1, 2012
Primary Completion Date
December 1, 2026
Study Completion Date
December 31, 2026
Iodine excess
Iodine excess areas: water iodine ≥100μg/L; or urinary iodine concentration (median urinary iodine levels in children aged 8-10 years old)≥300μg/L
Iodine suitable
Iodine suitable areas:water iodine ≥40μg/L and ≤100μg/L; or urinary iodine concentration(median urinary iodine levels in children aged 8-10 years old) 100-199μg/L.
RECRUITING
Shandong Provincial Hospital, Jinan
Shandong Provincial Hospital
OTHER_GOV