ArticleCancer medicine2024
Income differences in time to colon cancer diagnosis.
Article in Cancer medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.
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Who cites it
5 citing papers in PubMed, 1 synthesis or guideline pooled it.
- A systematic review of factors associated with the patient and diagnostic intervals in gastric cancer.Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association · 2026Pooled it
- "There's just such a mismatch": a qualitative exploration of health systems and organizational-level barriers to accessing cancer services among people experiencing structural marginalization.International journal for equity in health · 2025Article
- Toward an Understanding of Cancer as an Issue of Social Justice: Perspectives and Implications for Oncology Nursing.Current oncology (Toronto, Ont.) · 2025Review
- Inequities in the Time to Colon Cancer Diagnosis Among Individuals With Severe Psychiatric Illness.Cancer medicine · 2025Article
- Income differences in time to colon cancer diagnosis.Cancer medicine · 2024Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
introductionPeople with low income have worse outcomes throughout the cancer care continuum; however, little is known about income and the diagnostic interval. We described diagnostic pathways by neighborhood income and investigated the association between income and the diagnostic interval.
methodsThis was a retrospective cohort study of colon cancer patients diagnosed 2007-2019 in Ontario using routinely collected data. The diagnostic interval was defined as the number of days from the first colon cancer encounter to diagnosis. Asymptomatic pathways were defined as first encounter with a colonoscopy or guaiac fecal occult blood test not occurring in the emergency department and were examined separately from symptomatic pathways. Quantile regression was used to determine the association between neighborhood income quintile and the conditional 50th and 90th percentile diagnostic interval controlling for age, sex, rural residence, and year of diagnosis.
resultsA total of 64,303 colon cancer patients were included. Patients residing in the lowest income neighborhoods were more likely to be diagnosed through symptomatic pathways and in the emergency department. Living in low-income neighborhoods was associated with longer 50th and 90th-percentile symptomatic diagnostic intervals compared to patients living in the highest income neighborhoods. For example, the 90th percentile diagnostic interval was 15 days (95% CI 6-23) longer in patients living in the lowest income neighborhoods compared to the highest.
conclusionThese findings reveal income inequities during the diagnostic phase of colon cancer. Future work should determine pathways to reducing inequalities along the diagnostic interval and evaluate screening and diagnostic assessment programs from an equity perspective.
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