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.
Characteristics of respondents (n=3490), estimates of the monthly prevalence (95% CI) and annual incidence rate (95% CI) of self-reported acute gastrointestinal illness (AGI) in the 12-month national telephone survey performed in Italy between June 2008 and May 2009
CI, Confidence interval.
Data from the Italian National Institute of Statistics (ISTAT), 2007.
Proportion per category significantly different (P<0·05) from all other categories combined tested by χ2 test.
