Polymorphism in the interleukin-17A promoter contributes to gastric cancer

Table 1 Demographic data of the gastric cancer patients and healthy controls

	Gastric cancer (n = 161)	Control (n = 171)	P-value1
Age (yr)	62.56 ± 12.44	60.81 ± 12.76	0.21
Sex (M/F)	89/72	84/87	0.16
Marital status
Single	8 (5)	3 (1.8)
Married	149 (92.5)	166 (97.1)	0.002
Divorced	4 (2.5)	2 (1.2)
Occupation
Unemployed	4 (2.5)	1 (0.6)	0.003
Employed	24 (14.9)	35 (20.5)
Housewife	48 (29.8)	75 (43.9)
Other	85 (52.8)	60 (35.1)
Education 12 yr	53 (32.9)	85 (49.7)	0.003

¹Significance of categorical variables was assessed using the χ² test; Differences in age were evaluated using the Student t-test. Percentages are shown in parentheses. “Other” is defined as an occupation that does not fall into one of the defined groups.