Attempt to engage, yet failure to obtain successful bowel cancer screening: more likely in Māori, Pacific peoples, Asians, men and high deprivation areas.

In New Zealand, colorectal cancer (CRC) is the second highest cause of cancer death. We sought to characterise a unique population, the individuals who attempt to engage one or multiple times with screening yet fail to ever obtain successful screening. This is a cross-sectional descriptive analysis on data from the New Zealand National Bowel Screening Programme 2012 to 2022. Over 7,000 individuals (1.26% of all participants) have attempted but failed to be successfully screened in the national bowel screening programme. Males compared with females (OR 1.11, 95% CI 1.06-1.17), Asian (OR 1.65, 95% CI 1.55-1.77), Māori (OR 2.07, 95% CI 1.92-2.24) or Pacific peoples (OR 2.30, 95% CI 2.09-2.52) compared with Europeans had greater odds to attempt but fail to be screened. Māori New Zealand Index of Deprivation (NZDep) quintile five (most deprived) had 4.12 (95% CI 3.64-4.67, plt;0.0001) the odds to attempt but fail to be screened compared with European deprivation quintile one participants (least deprived). There are important variations in the failure to successfully receive CRC screening by gender, age, ethnicity, deprivation level and screening year. We suggest drop-off location checking services for all participants are required.

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Déclaration de conflit d'intérêts

CD: received no payments but research is part of contract in employment by Eastern Institute of Technolog. EIT also provided ethical approval. BM: received locality approval from Te Whatu Ora Te Matau a Māui, Hawke’s Bay and has a service contract with the National Bowel Screening Programme.