Table 4.

 Relative risk of diverticular disease by diet group in EPIC-Oxford study

	Cases	Unadjusted*			Adjusted†
		Relative risk (95% CI)	P value		Relative risk (95% CI)	P value
Vegetarian status:
No	710	1.00	<0.001‡		1.00	0.001‡
Yes	102	0.62 (0.50 to 0.77)			0.70 (0.56 to 0.87)
Diet group:
Meat eater	633	1.00	<0.001		1.00	0.003
No meat but some fish	77	0.83 (0.65 to 1.06)			0.91 (0.71 to 1.16)
Vegetarian or vegan	102	0.60 (0.48 to 0.75)			0.69 (0.55 to 0.86)
Diet group:
Meat eater	633	1.00	<0.001		1.00	0.001
No meat but some fish	77	0.83 (0.65 to 1.06)			0.90 (0.71 to 1.16)
Vegetarian	98	0.65 (0.52 to 0.81)			0.73 (0.58 to 0.92)
Vegan	4	0.22 (0.08 to 0.59)			0.28 (0.10 to 0.74)

*Stratified by sex, method of recruitment, and region of residence.

†Stratified by sex, method of recruitment, and region of residence and adjusted for smoking, education level, Townsend deprivation index, self reported hyperlipidaemia, receiving long term medical treatment, ever used oral contraceptives, ever used hormone replacement therapy, and BMI (fully adjusted model).

‡χ² test.