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

Table 4 Gastric cancer screening prevalence by education level, age and income subgroups

	Controls (n = 2842)	Non-gastric cancer relatives (n = 454)	Gastric cancer relatives (n = 261)
Education level
Elementary
n (%)	322 (29.2)	37 (32.5)	27 (35.1)
aOR (95% CI)1	1 (referent)	0.93 (0.57, 1.51)	1.59 (0.85, 2.96)
Middle and higher
n (%)	572 (34.3)	125 (38.9)	73 (41)
aOR (95% CI)1	1 (referent)	1.13 (0.82, 1.55)	1.36 (0.97, 1.92)
Age group (yr)
40-59
n (%	585 (34.5)	118 (37.7)	78 (42.4)
aOR (95% CI)1	1 (referent)	1.11 (0.82, 1.49)	1.53 (1.07, 2.17)a
≥ 60
n (%)	309 (28.8)	44 (36.1)	22 (31)
aOR (95% CI)1	1 (referent)	0.99 (0.57, 1.69)	1.08 (0.59, 1.98)
Income (US $/mo)
< 1000
n (%)	214 (27.1)	22 (26.2)	8 (17)
aOR (95% CI)1	1 (referent)	0.86 (0.47, 1.57)	0.70 (0.28, 1.77)
1000-5000
n (%)	580 (32.8)	113 (37.7)	79 (41.8)
aOR (95% CI)1	1 (referent)	1.16 (0.84, 1.60)	1.56 (1.10, 2.21)a
≥ 5000
n (%)	100 (47.4)	27 (53.0)	13 (68.4)
aOR (95% CI)1	1 (referent)	1.02 (0.46, 2.26)	2.70 (0.82, 8.88)

^aP < 0.05.

¹Adjusted odds ratios (aOR) were calculated via multiple logistic regression.