Odds of Incomplete Colonoscopy in Colorectal Cancer Screening Based on Socioeconomic Status

Birgitte Skau*, Ulrik Deding, Lasse Kaalby, Gunnar Baatrup, Morten Kobaek-Larsen, Issam Al-Najami

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

The aim of this study is to investigate the association between socioeconomic status (SES) and the risk of having an incomplete colonoscopy (IC) in the Danish Colorectal Cancer (CRC) Screening Program. In this register-based study we included 71,973 participants who underwent colonoscopy after a positive fecal immunochemical test in the Danish CRC Screening Program. The main exposure, SES, was defined by income and education, and the outcome by complete or incomplete colonoscopy. Among the participants, 5428 (7.5%) had an incomplete colonoscopy. The odds ratio (OR) for ICs due to inadequate bowel preparation was 1.67 (95% CI: 1.46; 1.91) for income in the 1 quartile compared to income in the 4th quartile. ORs for income in the 2nd quartile was 1.38 (95% CI: 1.21; 1.56) and 1.17 (95% CI: 1.03; 1.33) for income in the 3rd quartile. For the educational level, an association was seen for high school/vocational education with an OR of 0.87 (95% CI: 0.79; 0.97) compared to higher education. For ICs due to other reasons, the level of income was associated with the risk of having an IC with an OR of 1.19 (95% CI: 1.05; 1.35) in the 1st quartile and an OR of 1.19 (95% CI: 1.06; 1.34) in the 2nd quartile. For the educational level, there were no significant associations. Low income is associated with high risk of having an IC, whereas educational level does not show the same unambiguous association.

Original languageEnglish
Article number171
JournalDiagnostics
Volume12
Issue number1
Number of pages9
ISSN2075-4418
DOIs
Publication statusPublished - Jan 2022

Bibliographical note

Publisher Copyright:
© 2022 by the authors. Licensee MDPI, Basel, Switzerland.

Keywords

  • Colorectal cancer
  • Comorbidity
  • Incomplete colonoscopy
  • Inequality
  • Screening
  • Socioeconomic status

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