Colorectal cancer risk factors relative risk estimates U.S. 2023

As of 2023, it was estimated that people with more than one relative with a colorectal cancer diagnosis are four times more likely to themselves be diagnosed with colorectal cancer than those who do not have relatives with the disease. This statistic displays the relative risk for colorectal cancer given select established risk factors in the U.S. as of 2023.

Relative risk for select colorectal cancer risk factors in the U.S. as of 2023*

Characteristic	Relative risk
Having 1 first-degree relative with a colorectal cancer diagnosis	2.2
Having more than 1 relative with a colorectal cancer diagnosis	4
Having a relative with a colorectal cancer diagnosis before age 50	3.6
Inflammatory bowel disease	1.7
Diabetes (females)	1.2
Diabets (males)	1.4
Alcohol consumption of more than 3 drinks per day	1.3
Obesity	1.3
Red meat consumption (100 g/day)	1.1
Processed meat consumption (50 g/day)	1.2
Physical activity	0.7
Dairy consumption (400 g/day)	0.9

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Release date

March 2023

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Region

United States

Survey time period

2023

Supplementary notes

* Relative risk compares the risk of disease among people with a particular “exposure” to the risk among people without that exposure. Relative risk for dietary factors compares the highest with the lowest consumption. If the relative risk is more than 1.0, then risk is higher among exposed than unexposed persons. Relative risks less than 1.0 indicate a protective effect.

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