Table 2.

Estimated 5-year absolute risk of ESCC in the Chinese population from high prevalence regions with different risk factors.

Profile of risk factors	Age (years)		Sex	Tobacco smoking	Alcohol drinking	Education, years	Hot food,times/week	Pickled and salted food, times/week	Fresh fruit,times/week	5-year absolute risk, %	Individuals needed to investigate to identify 1 case
1	40–45		Male	Non-smokers	Non-drinkers	>6	<2	<2	≥2	0.0005	198,698
2	40–45		Male	Smokers	Drinkers	>6	<2	<2	≥2	0.0024	41,722
3	50–55		Male	Non-smokers	Non-drinkers	≤6	<2	<2	≥2	0.0131	7,647
4	60–65		Male	Smokers	Drinkers	>6	<2	<2	≥2	0.1059	945
5	60–65		Male	Smokers	Drinkers	≤6	<2	<2	≥2	0.2785	360
6	60–65		Male	Smokers	Drinkers	≤6	≥2	≥2	<2	7.1621	14
7	70–75		Male	Non-smokers	Non-drinkers	≤6	≥2	≥2	<2	4.5162	23
8	70–75		Male	Smokers	Drinkers	≤6	≥2	≥2	<2	19.7225	6
9	40–45		Female	Non-smokers	Non-drinkers	>6	<2	<2	≥2	0.0003	319,537
10	40–45		Female	Smokers	Drinkers	>6	<2	<2	≥2	0.0015	67,095
11	50–55		Female	Non-smokers	Non-drinkers	>6	<2	<2	≥2	0.0054	18,353
12	60–65		Female	Non-smokers	Non-drinkers	>6	<2	<2	≥2	0.0193	5,186
13	60–65		Female	Non-smokers	Non-drinkers	>6	≥2	≥2	<2	0.5128	196
14	60–65		Female	Smokers	Drinkers	≤6	≥2	≥2	<2	6.2386	17
15	70–75		Female	Non-smokers	Non-drinkers	≤6	≥2	≥2	<2	3.8644	26
16	70–75		Female	Smokers	Drinkers	≤6	≥2	≥2	<2	17.1013	6

ESCC, esophageal squamous cell carcinoma.