Table 1.

Number of people screened and total resident population in the study sites in Catanzaro Province, Calabria region, Italy

Study site	Number screened	Total population	%
Pianopoli	544	2,613	20.8
Serrastretta	590	3,082	19.1
Tiriolo	457	3,820	11.9
Guardavalle	556	4,463	12.4
Total*	2,147	13,798	15.3

*Another 279 coming from municipalities adjacent to the target sites were also included, bringing the total number of enrolled subjects to 2426.