Diet, obesity and colorectal carcinoma risk: results from a national cancer registry-based middle-eastern study

BMC Cancer

Table 4 Multivariable conditional logistic regression model of factors associated with colorectal cancer status in a hospital-based matched case-control study, Kuwait

Variable	Adjusted matched odds ratio	95% confidence interval	p-value
Maximum BMI^a ever attained			0.001
Normal	1.00	Ref
Pre-obese	1.01	0.36–2.85
Obese	4.30	1.62–11.37
Fruits and vegetables intake			0.001
Daily	1.00	Ref
Often	1.72	0.84–3.53
Rarely (or never)	20.80	4.35–99.46
Red meat intake (days/ week)			0.001
≤ 1	1.00	Ref
2–3	3.76	1.63–8.67
≥ 4	9.35	2.47–35.35
Constipation history			0.005
Never	1.00	Ref
Rarely	0.79	0.34–1.84
Once a month	1.33	0.49–3.67
Every/week	5.60	1.91–16.48
Hypercholesterolemia history			0.005
No	1.00	Ref
Yes	0.34	0.16–0.72
Diabetes history			0.016
No	1.00	Ref
Yes	0.35	0.15–0.82

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