Table 3.

Odds ratios (95% confidence interval) of processed foods in subgroup analyses^a

	Preserved vegetables	Pickled vegetables	Salted meat
Sex
Women	3.15 (1.28, 7.75)	0.96 (0.46, 2.00)	1.47 (0.65, 3.32)
Men	2.02 (1.18, 3.48)	0.81 (0.51, 1.28)	1.41 (0.84, 2.36)
Age classification
<65	2.41 (1.45, 4.01)	0.61 (0.36 1.04)	1.55 (0.89, 2.71)
≥65	1.28 (0.35, 4.65)	2.63 (0.75, 9.21)	0.97 (0.31, 3.09)

^aThe other two processed foods, age, smoking, alcohol drinking, fruit and vegetable consumption, family esophageal cancer history and annual per capita income were adjusted; and preserved vegetables, pickled vegetables and salted meat were treated as continuous variables.