Table 2.

Odds ratio of gastric cancer for fiber intake

Fiber intake (g/day)	N ca/co	ORa	95% CI
1.0–14.1	1398/2227	1.00	Ref.
14.2–20.7	883/2550	0.79	0.68–0.91
20.8–28.9	879/2647	0.72	0.60–0.85
29.0 +	1514/2668	0.72	0.59–0.88
Per quartile increase		0.91	0.85–0.97
Per 10 g/day increase		0.96	0.91–1.01

OR odds ratio, adjusted for study, sex, age, tobacco smoking, fruit and vegetable intake, total energy intake, socioeconomic status; CI confidence interval; Ref. reference category; N ca/co, number of cases and controls