Factors associated with use of gastric cancer screening services in Korea

Table 2 Factors associated with gastric cancer screening¹ by univariate analysis (n = 4593)

		OR (crude)	95% CI
Socio-demographic factor
Age (yr)	40-49	1 (ref)
	50-59	1.07	0.89-1.29
	60-69	0.99	0.80-1.22
	≥ 70	0.61	0.47-0.79
Sex	Male	1 (ref)
	Female	0.95	0.84-1.07
Residence	Metropolis	1 (ref)
	Town or country	1.15	0.96-1.36
Household income	Lowest tertile (≤ 1.00 × 106 kW)	1 (ref)
	Middle tertile (1.00-2.42 × 106 kW)	1.25	1.03-1.53
	Highest tertile (≥ 2.45 × 106 kW)	1.80	1.47-2.20
Education	Uneducated	1 (ref)
	Elementary school	1.83	1.38-2.43
	Middle or high school	1.71	1.31-2.26
	University or higher	2.51	1.84-3.46
Marital status	Without spouse	1 (ref)
	With spouse	1.42	1.20-1.68
NHI vs Medicaid	NHI	1 (ref)
	Medicaid	0.98	0.66-1.45
General health status
Self-reported health status	Healthy	1 (ref)
	Middle	1.07	0.91-1.27
	Unhealthy	1.09	0.92-1.29
Limitation of general activity	Limited	1 (ref)
	Unlimited	1.20	1.00-1.45
Walking problem	Limited	1 (ref)
	Unlimited	1.15	0.96-1.39
Visual problem	Limited	1 (ref)
	Unlimited	1.15	1.00-1.32
Hearing problem	Limited	1 (ref)
	Unlimited	1.16	0.97-1.39
Cancer risk factor
Alcohol consumption	Non-binge drinker	1 (ref)
	Binge drinker	1.03	0.89-1.20
	Frequent binge drinker	0.76	0.59-0.98
Smoking	Never	1 (ref)
	Ex-smoker	1.05	0.88-1.24
	Current smoker	0.80	0.69-0.94
Psychological factor
Attitude to health check-up	No	1 (ref)
	Yes (cancer screening is effective)	5.61	4.66-6.75
Stress severity	None	1 (ref)
	Mild	1.18	0.99-1.41
	Moderate	1.23	1.01-1.49
	Severe	0.95	0.72-1.24
Depression (self-reported)	No	1 (ref)
	Yes	1.03	0.87-1.23

OR: Odds ratio; CI: Confidence interval.

¹Endoscope or Upper Gastrointestinal Series (UGIS) every 2 years.