The research tools included interviews, focus groups,
in-depth interviews and stool testing (Modified Kato Katz
method). The research team started the survey after the
research protocols had been considered and approved
by the Human Research Ethics Committee at Khon
Kaen Hospital (21/10/2013). The descriptive statistics
and analytical statistics were introduced to explain the
relationship of involved factors related to Opisthrochiasis
using the chi-square test, Odd ratio, and Multiple Logistic
Regression Analysis.