1.3. Analysis.
Comparison 1 Hand washing intervention at child care centres and schools versus no intervention, Outcome 3 Incidence of diarrhoea; subgrouped by blinding.
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.