“…In previous studies on CRC screening intervention, higher attendance was achieved by some intervention practices such as health-care-provider-directed intervention [19] , telephone support [20,21] , psychoeducational intervention [22,23] , tailored guidance [24,25] , patient-physician communication [26] , motivational interviewing [27] , physician reminder [28,29] , community volunteers [30] , and mailed brochure [31] . However, one-sided intervention methods may not achieve a satisfactory effect among nonadherent high-risk subjects.…”