Table S1. Age-specific incidence rates of esophageal cancer in high-risk area (Cixian county, Hebei province, per 10,000 persons) in Mainland China, 2012.

Age (year)	Incidence rate
0−	0.00
20−	2.12
25−	0.00
30−	7.89
35−	6.01
40−	31.77
45−	82.32
50−	150.50
55−	869.65
60−	1,116.44
65−	1,164.32
70−	1,152.65
75−	1,986.21
80−	1,759.30
85−	2,144.30