Table 6.

Odds ratios and 95% confidence intervals for rectal cancer according to dietary pattern quartiles, by race (North Carolina Colon Cancer Study-Phase II) ^*

Dietary Pattern	Q1	Q2	Q3	Q4	P for trend
Whites
High fat/Meat/Potatoes
Cases/controls	126/200	148/200	221/200	225/200
OR (95% CI)	1.00	1.25 (0.86–1.80)	1.80 (1.21–2.68)	1.84 (1.08–3.15)	<0.0001
Veg/Fish/Poultry
Cases/controls	266/200	214/200	118/200	122/200
OR (95% CI)	1.00	1.00 (0.74–1.35)	0.57 (0.40–0.80)	0.47 (0.33–0.67)	<0.0001
Fruit/Whole-grain/Dairy
Cases/controls	221/200	196/200	155/200	148/200
OR (95% CI)	1.00	1.04 (0.76–1.43)	0.78 (0.56–1.09)	0.65 (0.45–0.93)	<0.0001
African Americans
High fat/Meat/Potatoes
Cases/controls	45/39	59/41	59/39	62/40
OR (95% CI)	1.00	0.81 (0.39–1.70)	0.79 (0.33–1.91)	0.89 (0.27–3.00)	0.80
Fruit/Vegetables
Cases/controls	52/40	37/40	59/39	77/40
OR (95% CI)	1.00	0.77 (0.35–1.70)	1.01 (0.49–2.07)	1.50 (0.71–3.18)	<0.0001
Legumes/Dairy
Cases/controls	57/39	46/40	57/41	65/39
OR (95% CI)	1.00	0.83 (0.40–1.73)	0.79 (0.39–1.59)	0.74 (0.35–1.59)	<0.0001

^*adjusted for age, sex, education, income, BMI 1 year ago, physical activity, family history, non-steroidal anti-inflammatory drug use, and total energy intake