Stomach cancer screening and preventive behaviors in relatives of gastric cancer patients

Table 2 Characteristics of gastric cancer relatives and controls n (%)

	Controls (n = 2842)	Non-gastric cancer relatives (n = 454)	Gastric cancer relatives (n = 261)	P1
Sex
Male	1258 (44.3)	190 (41.9)	105 (40.2)	0.321
Female	1584 (55.7)	264 (58.2)	156 (59.8)
Age (yr)
40-49	1024 (36.0)	211 (46.5)	104 (39.9)	< 0.001
50-59	710 (25.0)	118 (26.0)	85 (32.6)
60-69	665 (23.4)	85 (18.7)	51 (19.5)
≥ 70	443 (15.6)	40 (8.8)	21 (8.1)
Education
Elementary	1136 (40.0)	116 (25.6)	79 (30.3)	< 0.001
Middle to high school	1271 (44.7)	246 (54.2)	146 (55.9)
University and higher	435 (15.3)	92 (20.3)	36 (13.8)
Marital status
Married	2188 (77.0)	387 (85.4)	211 (80.8)	< 0.001
Single	653 (23.0)	66 (14.6)	50 (19.2)
Smoking status
Non-smoker	1588 (57.3)	260 (59.8)	152 (59.6)	0.657
Ex-smoker	582 (21.0)	86 (19.8)	45 (17.7)
Current smoker	602 (21.7)	89 (20.5)	58 (22.8)
Alcohol drinking
None	1524 (55.0)	241 (55.4)	145 (56.9)	0.841
More than once a month	1248 (45.0)	194 (44.6)	110 (43.1)
Income (US $/mo)2
< 1000	801 (28.2)	87 (19.2)	48 (18.4)	< 0.001
1000-5000	1825 (64.2)	315 (69.4)	192 (73.6)
≥ 5000	216 (7.6)	52 (11.5)	21 (8.1)
Self-reported health status
Good	873 (30.8)	149 (33.0)	82 (31.7)	0.502
Intermediate	1017 (35.9)	171 (37.8)	96 (37.1)
Bad	946 (33.4)	132 (29.2)	81 (31.3)
Stress
Low	1822 (65.7)	294 (67.6)	168 (65.9)	0.703
Moderate	770 (27.8)	120 (27.6)	73 (28.6)
High	180 (6.5)	21 (4.8)	14 (5.5)

¹P values were calculated by using a χ² test;

²1 US $ = 1000 won.