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

Table 3 Prevalence of cancer screening n (%)

	Controls (n = 2842)	Non-gastric cancer relatives (n = 454)	Gastric cancer relatives (n = 261)
Stomach cancer screening (within 2 yr)
Crude rate	894 (32.3)	162 (37.2)	100 (39.2)
Adjusted rate (%, 95% CI)2	32.2 (30.5, 34.0)	35.2 (30.8, 39.8)	38.1 (32.3, 44.2)
Crude OR (95% CI)	1 (referent)	1.16 (0.89, 1.50)	1.47 (1.08, 2.00)a
Adjusted OR (95% CI)1	1 (referent)	1.08 (0.83, 1.41)	1.43 (1.05, 1.95)a
Breast cancer screening (within 2 yr)
Crude rate	456 (29.6)	102 (40.8)	61 (40.9)
Adjusted rate (%, 95% CI)2	28.9 (26.7, 31.4)	36.5 (30.7, 42.8)	38.5 (31.0, 46.7)
Crude OR (95% CI)	1 (referent)	1.68 (1.21, 2.33)a	1.53 (1.05, 2.23)a
Adjusted OR (95% CI)1	1 (referent)	1.42 (1.02, 2.00)a	1.40 (0.95, 2.08)
Cervical cancer screening (within 2 yr)
Crude rate	596 (39.9)	133 (53.9)	71 (47.7)
Adjusted rate (%, 95% CI)2	39.1 (36.5, 41.8)	47.3 (40.7, 54.1)	43.2 (35.1, 51.7)
Crude OR (95% CI)	1 (referent)	1.90 (1.35, 2.68)a	1.33 (0.90, 1.97)
Adjusted OR (95% CI)1	1 (referent)	1.51 (1.04, 2.20)a	1.14 (0.76, 1.71)
Colon cancer screening (within 5 yr)
Crude rate	309 (17.5)	55 (23.6)	33 (21.4)
Adjusted rate (%, 95% CI)2	17.2 (15.4, 19.0)	22.6 (17.7, 28.5)	20.2 (14.6, 27.3)
Crude OR (95% CI)	1 (referent)	1.17 (0.78, 1.74)	1.48 (0.85, 2.56)
Adjusted OR (95% CI)1	1 (referent)	1.10 (0.73, 1.67)	1.41 (0.83, 2.41)

^aP < 0.05.

¹Calculated via multiple logistic regression and adjusted for age, sex, education, marital status, smoking, alcohol consumption, income, and self-reported health status;

²Calculated via analysis of covariance adjusted for age, sex, education, marital status, smoking, alcohol consumption, income, and self-reported health status. OR: Odds ratio.