Table 1.

Dietary risk factors associated with the development of follicular lymphoma.

Exposure	Measure of effect (95% CI)	P-trend	Reference
Diet
Meat and milk	HR = 5.16 (1.33–20.0)	0.03	[19]
Fruits and vegetables	OR = 0.3 (0.1–0.7)	0.002	[20]
Vegetablesa	OR = 0.3 (0.1–0.7)	0.001	[20]
Fruitsa	OR = 0.4 (0.2–1.0)	0.04	[20]
Dietary factors
Vitamin D	OR = 0.3 (0.1–0.9)	<0.05	[14]
Vitamin D*	HR = 0.64 (0.29–1.41)	0.38	[17]
PUFA	OR = 0.4 (0.2–1.1)		[14]
Nitrate (mg/day)	OR = 1.5 (0.8–2.7)	0.04	[26]
Nitrite (mg/day)	OR = 2.3 (1.1–4.9)	0.008	[26]
Antioxidants
Vitamin C	RR = 0.55 (0.30–1.0)	0.032	[25]
Lutein + zeaxanthin	RR = 0.56 (0.32–0.99)	0.007	[25]
B-cryptoxanthin	RR = 0.57 (0.31–1.05)	0.04	[25]
Isoflavones	RR = 0.53 (0.29–0.97)	0.022	[25]
Flavonols	RR = 0.52 (0.29–0.94)	0.03	[25]

^aThese odds ratios are for the female cases only.