The community selectionis
performed using the single-stage cluster sampling method, where
each community is selected from each ofthe four zones. These communities
are Ban Rungruang-Boonruang (BB), 30-Kanya-Pathana
(KP), Koratkaruehat Thong (KT) and Banpakthahan-Nongbuarong
(BN). The general characteristics of the communities selected as
the pilot sites for this study are based on the information from the
social security office of the Nakhon Ratchasima Metropolis, which
was surveyed in January 2010. This information is summarized in