• M C S Wong, K K F Tsoi, S S M Ng, V W Q Lou, S Y P Choi, K W K Ling, F K L Chan, S M Griffiths, and J J Y Sung.
• Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, NT, Hong Kong.
• Aliment. Pharmacol. Ther. 2010 Jul 1; 32 (1): 74-82.

BackgroundPreferences to choose immunochemical faecal occult blood test (FIT) and colonoscopy as colorectal cancer (CRC) screening modalities among asymptomatic Chinese subjects remain unknown.AimTo evaluate the preference of choosing colonoscopy vs. FIT among CRC screening participants.MethodsFrom a community-based CRC screening programme for asymptomatic Hong Kong Chinese aged 50-70 years, participants attended standardized educational sessions and chose the options of annual FIT for 5 years or direct colonoscopy once. Factors associated with choosing colonoscopy were evaluated by multivariate regression analysis.ResultsAmong 3430 participants [mean age 56.8 years (s.d. 5.0); female 55.1%, male 44.9%], 51.3% chose colonoscopy and 48.7% chose FIT. Older participants (65-70 years) were less likely to choose colonoscopy [adjusted odds ratio (aOR) 0.731, P = 0.041]. Subjects who chose colonoscopy were those disagreed screening would lead to discomfort (aOR 1.356, P < 0.001), had relatives or friends who had CRC (first degree relatives aOR 1.679, P < 0.001; second degree relatives aOR 1.304, P = 0.019; friends or others aOR 1.252, P = 0.026) and those who self-perceived their health as poor (aOR 1.529, P = 0.025).ConclusionsFaecal occult blood test and direct colonoscopy were equally preferable to Chinese. Colonoscopy was preferred among the younger subjects, those with positive family history of CRC and self-perceived poor health status.

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