Table 1. Health and lifestyle characteristics at entry to analysis (n = 1201).

Participant characteristics
Age at diagnosis (years), median (IQR)	66.5 (60.9–72.2)
Survival (years), median (IQR)	8.0 (3.9–12.0)
Year of diagnosis (n)
January 1986–December 1989	191 (15.9%)
January 1990–December 1994	242 (20.1%)
January 1995–December 1999	327 (27.2%)
January 2000–June 2010	441 (36.7%)
Site (n)
Colon	953 (79.4%)
Rectum	247 (20.6%)
Stage (n)
I	317 (26.4%)
II	366 (30.5%)
III	282 (23.5%)
missing	236 (19.6%)
Tumor differential grade (n)
Well	155 (12.9%)
Moderate	657 (54.7%)
Poor/undifferentiated	145 (12.1%)
unknown	244 (20.3%)
BMI (kg/m2), median (IQR)	25.4 (22.7–29.2)
Physical Activity (METs/week*), median (IQR)	7.9 (2.7–20.3)
Current Smoker (%)	8.9
Energy intake post-diagnosis (kcal/day) median (IQR)	1624 (1293–2041)
Alcohol intake post-diagnosis (g/day) median (IQR)	0 (0–5.5)
Total Calcium intake (mg/day) median (IQR)	1097 (724–1576)
Total Fiber intake (g/day) median (IQR)	19 (16–23)
Total Folate intake (mcg/day) median (IQR)	393 (289–630)

*Metabolic Equivalent hours.