Table 3.

Results from adjusted and unadjusted conditional logistic regression analyses for the outcome non-metastatic CRC stages I–III in cases and controls matched on age and sex.

Symptom	Unadjusted		P value	Adjusteda		P value
	OR	95% CI		OR	95% CI
Change in bowel habit	8.2	6.9–9.8	<0.001	9.3	7.7–11.3	<0.001
Bleeding	19.8	14.3–27.4	<0.001	27.5	19.3–39.2	<0.001
Weight loss	6.1	3.3–11.1	<0.001	3.6	1.7–7.5	<0.001
Abdominal pain	5.2	4.5–6.1	<0.001	5.9	5.0–7.0	<0.001
Anaemia	10.8	9.1–12.8	<0.001	12.7	10.5–15.3	<0.001

OR, odds ratio.

^aAdjusted for all other variables in the table.