3.5. Analysis.
Comparison 3: Double‐fortified salt versus iodised: subgroup analysis, haemoglobin, Outcome 5: Haemoglobin concentration by anaemia status
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.