Psychosocial variables associated with colorectal cancer screening in South Australia.

Background: Population screening reduces mortality from colorectal cancer, yet factors associated with uptake of screening are incompletely understood.

Purpose: The purpose of the study was to determine demographic and psychosocial factors associated with participation in faecal occult blood test (FOBT)-based colorectal cancer (CRC) screening in an average risk community programme in Adelaide, South Australia.

Method: A questionnaire consistent with the Preventive Health Model was used to determine demographic and psychosocial differences between previous FOBT-based screening participants (n = 413, response rate 93.