Table 2.

aORs and 95% CI for compliance and noncompliance with gastric cancer screening recommendations compared with never-screening by polytomous logistic regression

Variable	Noncompliance with the recommendation (> 2 years) (unweighted n=332)		Compliance with the recommendation (within 2 years) (unwweighted n=1,483)
	aORa) (95% CI)	p for trend	aORa) (95% CI)	p for trend
Sex
Male	1.00 (reference)	-	1.00 (reference)	-
Female	1.31 (1.02-1.69)		1.29 (1.11-1.50)
Age group (yr)
40-49	1.00 (reference)	< 0.001	1.00 (reference)	< 0.001
50-59	1.85 (1.36-2.53)		1.68 (1.38-2.03)
≥ 60	1.87 (1.33-2.63)		2.06 (1.65-2.56)
Residential area
Metropolitan	1.00 (reference)	0.071	1.00 (reference)	< 0.001
Urban	1.31 (1.01-1.70)		1.13 (0.97-1.33)
Rural	1.54 (1.05-2.24)		1.42 (1.11-1.80)
Monthly household income
≤ 1,499 USD	1.00 (reference)	0.199	1.00 (reference)	0.001
1,500-2,499 USD	1.28 (0.91-1.79)		1.25 (1.01-1.54)
2,500-3,499 USD	1.43 (0.98-2.09)		1.54 (1.22-1.95)
≥ 3,500 USD	1.45 (0.97-2.17)		1.56 (1.20-2.01)
Education (yr)
≤ 11	1.00 (reference)	0.460	1.00 (reference)	0.601
12-15	0.92 (0.67-1.25)		0.89 (0.73-1.09)
≥ 16	0.93 (0.62-1.40)		1.10 (0.85-1.43)
Family history of cancer
No	1.00 (reference)	-	1.00 (reference)	-
Yes	1.15 (0.75-1.76)		1.31 (1.02-1.69)
Self-rated health status
Good	1.00 (reference)	< 0.001	1.00 (reference)	< 0.001
Fair	1.49 (1.13-1.96)		1.49 (1.26-1.76)
Poor	2.50 (1.74-3.59)		1.66 (1.29-2.15)
Salt preference
Level 1 (very low)	1.00 (reference)	0.681	1.00 (reference)	0.048
Level 2 (low)	0.66 (0.42-1.05)		0.82 (0.61-1.12)
Level 3 (moderate)	0.60 (0.37-0.98)		0.74 (0.54-1.00)
Level 4 (high)	0.68 (0.42-1.10)		0.77 (0.56-1.05)
Level 5 (very high)	0.68 (0.23-1.99)		0.38 (0.16-0.92)

aOR, adjusted odds ratio; CI, confidence intervals.

^a)Adjustments were made for age, sex, residential area, monthly household income, education, family history of cancer, and self-rated health status.