Clinical risk factors

Several official sources were analyzed to come up with a possible list of risk factors for colorectal cancer including:

• American Cancer Society (ACS)

• Center for Disease Control and Prevention (CDC)

• American Society of Clinical Oncology (ASCO)

• Cancer Treatment Centers of America (CTCA)

Risk factor	Unit of measurement	UK Biobank Field ID
Age	Years	21022
Sex	Male/female	31
Height	Inches	50
Weight	Pounds	21002
Ethnicity	UK standards	White
Physical activity	No. of days/week	884
Red meat consumption	Yes/no	1349
Smoking habits	Current, previous, never	20116
Alcohol consumption	No. of days/week	1558
Has father had cancer?	Yes/no	20107
Has mother had cancer?	Yes/no	20110
Has a sibling had cancer?	Yes/no	20111
Personal history of polyps	Yes/no	20002
Personal history of Crohn's disease	Yes/no	20002
Personal history of ulcerative colitis	Yes/no	20002